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Section 12: Environment.

Environment

Note 1. Emissions of Carbon Dioxide and Other Greenhouse Gases. Greenhouse gases are those gases--such as water vapor, carbon dioxide (C[O.sub.2]), methane, nitrous oxide, hydrofluorocarbons (HFCs), perfluorocarbons (PFCs), and sulfur hexafluoride--that are transparent to solar (shortwave) radiation but opaque to long-wave (infrared) radiation, thus preventing long-wave radiant energy from leaving Earth's atmosphere. The net effect is a trapping of absorbed radiation and a tendency to warm the planet's surface.

Energy-related carbon dioxide emissions account for about 98 percent of U.S. C[O.sub.2] emissions. The vast majority of C[O.sub.2] emissions come from fossil fuel combustion, with smaller amounts from the nonfuel use of fossil fuels, as well as from electricity generation using geothermal energy and nonbiomass waste. Other sources of C[O.sub.2] emissions include industrial processes, such as cement and limestone production. Data in the U.S. Energy Information Administration's (EIA) Monthly Energy Review (MER) Tables 12.1-12.6 are estimates for U.S. C[O.sub.2] emissions from energy consumption, including the nonfuel use of fossil fuels (excluded are estimates for C[O.sub.2] emissions from biomass energy consumption, which appear in Table 12.7).

For annual U.S. estimates for emissions of C[O.sub.2] from all sources, as well as for emissions of other greenhouse gases, see EIA's Emissions of Greenhouse Gases Report at http://www.eia.gov/environment/emissions/ghg_report/.

Note 2. Accounting for Carbon Dioxide Emissions From Biomass Energy Combustion. Carbon dioxide (C[O.sub.2]) emissions from the combustion of biomass to produce energy are excluded from the energy-related C[O.sub.2] emissions reported in MER Tables 12.1-12.6, but appear in Table 12.7. According to current international convention (see the Intergovernmental Panel on Climate Change's "2006 IPCC Guidelines for National Greenhouse Gas Inventories"), carbon released through biomass combustion is excluded from reported energy-related emissions. The release of carbon from biomass combustion is assumed to be balanced by the uptake of carbon when the feedstock is grown, resulting in zero net emissions over some period of time. (This is not to say that biomass energy is carbon-neutral. Energy inputs are required in order to grow, fertilize, and harvest the feedstock and to produce and process the biomass into fuels.)

However, analysts have debated whether increased use of biomass energy may result in a decline in terrestrial carbon stocks, leading to a net positive release of carbon rather than the zero net release assumed by its exclusion from reported energy-related emissions. For example, the clearing of forests for biofuel crops could result in an initial release of carbon that is not fully recaptured in subsequent use of the land for agriculture.

To reflect the potential net emissions, the international convention for greenhouse gas inventories is to report biomass emissions in the category "agriculture, forestry, and other land use," usually based on estimates of net changes in carbon stocks over time.

This indirect accounting of C[O.sub.2] emissions from biomass can potentially lead to confusion in accounting for and understanding the flow of C[O.sub.2] emissions within energy and nonenergy systems. In recognition of this issue, reporting of C[O.sub.2] emissions from biomass combustion alongside other energy-related C[O.sub.2] emissions offers an alternative accounting treatment. It is important, however, to avoid misinterpreting emissions from fossil energy and biomass energy sources as necessarily additive. Instead, the combined total of direct C[O.sub.2] emissions from biomass and energy-related C[O.sub.2] emissions implicitly assumes that none of the carbon emitted was previously or subsequently reabsorbed in terrestrial sinks or that other emissions sources offset any such sequestration.

Section 12 Methodology and Sources

To estimate carbon dioxide emissions from energy consumption for the Monthly Energy Review (MER), Tables 12.1-12.7, the U.S. Energy Information Administration (EIA) uses the following methodology and sources:

Step 1. Determine Fuel Consumption

Coal--Coal sectoral (residential, commercial, coke plants, other industrial, transportation, electric power) consumption data in thousand short tons are from MER Table 6.2. Coal sectoral consumption data are converted to trillion Btu by multiplying by the coal heat content factors in MER Table A5.

Coal Coke Net Imports--Coal coke net imports data in trillion Btu are derived from coal coke imports and exports data in MER Tables 1.4a and 1.4b.

Natural Gas (excluding supplemental gaseous fuels)--Natural gas sectoral consumption data in trillion Btu are from MER Tables 2.2-2.6.

Petroleum--Total and sectoral consumption (product supplied) data in thousand barrels per day for asphalt and road oil, aviation gasoline, distillate fuel oil, jet fuel, kerosene, liquefied petroleum gases (LPG), lubricants, motor gasoline, petroleum coke, and residual fuel oil are from MER Tables 3.5 and 3.7a-3.7c. For the component products of LPG (ethane/ethylene, propane/propylene, normal butane/butylene, and isobutane/isobutylene) and "other petroleum" (aviation gasoline blending components, crude oil, motor gasoline blending components, naphthas for petrochemical feedstock use, other oils for petrochemical feedstock use, pentanes plus, special naphthas, still gas, unfinished oils, waxes, and miscellaneous petroleum products), consumption (product supplied) data in thousand barrels per day are from EIA's Petroleum Supply Annual (PSA), Petroleum Supply Monthly (PSM), and earlier publications (see sources for MER Table 3.5). Petroleum consumption data by product are converted to trillion Btu by multiplying by the petroleum heat content factors in MER Table A1 (Table A3 for motor gasoline).

Biomass--Sectoral consumption data in trillion Btu for wood, biomass waste, fuel ethanol (minus denaturant), and biodiesel are from MER Tables 10.2a-10.2c.

Step 2. Remove Biofuels From Petroleum

Distillate Fuel Oil--Beginning in 2009, the distillate fuel oil data (for total and transportation sector) in Step 1 include biodiesel, a non-fossil renewable fuel. To remove the biodiesel portion from distillate fuel oil, data in thousand barrels per day for refinery and blender net inputs of renewable diesel fuel (from the PSA/PSM) are converted to trillion Btu by multiplying by the biodiesel heat content factor in MER Table A3, and then subtracted from the distillate fuel oil consumption values.

Motor Gasoline--Beginning in 1993, the motor gasoline data (for total, commercial sector, industrial sector, and transportation sector) in Step 1 include fuel ethanol, a nonfossil renewable fuel. To remove the fuel ethanol portion from motor gasoline, data in trillion Btu for fuel ethanol consumption (from MER Tables 10.2a, 10.2b, and 10.3) are subtracted from the motor gasoline consumption values. (Note that about 2 percent of fuel ethanol is fossil-based petroleum denaturant, to make the fuel ethanol undrinkable. For 1993-2008, petroleum denaturant is double counted in the PSA product supplied statistics, in both the original product category--e.g., pentanes plus--and also in the finished motor gasoline category; for this time period for MER Section 12, petroleum denaturant is removed along with the fuel ethanol from motor gasoline, but left in the original product. Beginning in 2009, petroleum denaturant is counted only in the PSA/PSM product supplied statistics for motor gasoline; for this time period for MER Section 12, petroleum denaturant is left in motor gasoline.)

Step 3. Remove Carbon Sequestered by Nonfuel Use

The following fuels have industrial nonfuel uses as chemical feedstocks and other products: coal, natural gas, asphalt and road oil, distillate fuel oil, liquefied petroleum gases (ethane/ethylene, propane/propylene, normal butane/butylene, and isobutane/isobutylene), lubricants (which have industrial and transportation nonfuel uses), naphthas for petrochemical feedstock use, other oils for petrochemical feedstock use, pentanes plus, petroleum coke, residual fuel oil, special naphthas, still gas, waxes, and miscellaneous petroleum products. In the nonfuel use of these fuels, some of the carbon is sequestered, and is thus subtracted from the fuel consumption values in Steps 1 and 2.

Estimates of annual nonfuel use and associated carbon sequestration are developed by EIA using the methodology detailed in "Documentation for Emissions of Greenhouse Gases in the United States 2008" at http://www.eia.gov/oial/1605/ggrpt/documentation/pdf/0638(2006).pdf.

To obtain monthly estimates of nonfuel use and associated carbon sequestration, monthly patterns for industrial consumption and product supplied data series are used. For coal nonfuel use, the monthly pattern for coke plants coal consumption from MER Table 6.2 is used. For natural gas, the monthly pattern for other industrial non-CHP natural gas consumption from MER Table 4.3 is used. For distillate fuel oil, petroleum coke, and residual fuel oil, the monthly patterns for industrial consumption from MER Table 3.7b are used. For the other petroleum products, the monthly patterns for product supplied from the PSA and PSM are used.

Step 4. Determine Carbon Dioxide Emissions From Energy Consumption

Carbon dioxide (C[O.sub.2]) emissions data in million metric tons are calculated by multiplying consumption values in trillion Btu from Steps 1 and 2 (minus the carbon sequestered in nonfuel use in Step 3) by the C[O.sub.2] emissions factors at http://www.eia.gov/oiaf/1605/ggrpt/excel/C[O.sub.2]_coeffs_09_v2.xls. Beginning in 2010, the 2009 factors are used.

Coal--C[O.sub.2] emissions for coal are calculated for each sector (residential, commercial, coke plants, other industrial, transportation, electric power). Total coal emissions are the sum of the sectoral coal emissions.

Coal Coke Net Imports--C[O.sub.2] emissions for coal coke net imports are calculated.

Natural Gas--C[O.sub.2] emissions for natural gas are calculated for each sector (residential, commercial, industrial, transportation, electric power). Total natural gas emissions are the sum of the sectoral natural gas emissions.

Petroleum--C[O.sub.2] emissions are calculated for each petroleum product. Total petroleum emissions are the sum of the product emissions. Total LPG emissions are the sum of the emissions for the component products (ethane/ethylene, propane/propylene, normal butane/butylene, and isobutane/isobutylene); residential, commercial, and transportation sector LPG emissions are estimated by multiplying consumption values in trillion Btu from MER Tables 3.8a and 3.8c by the propane emissions factor; industrial sector LPG emissions are estimated as total LPG emissions minus emissions by the other sectors.

Geothermal and Non-Biomass Waste--Annual C[O.sub.2] emissions data for geothermal and non-biomass waste are EIA estimates based on Form EIA-923, "Power Plant Operations Report" (and predecessor forms). Monthly estimates are created by dividing the annual data by the number of days in the year and then multiplying by the number of days in the month. (Annual estimates for the current year are set equal to those of the previous year.)

Biomass--C[O.sub.2] emissions for wood, biomass waste, fuel ethanol (minus denaturant), and biodiesel are calculated for each sector. Total emissions for each biomass fuel are the sum of the sectoral emissions. The following factors, in million metric tons C[O.sub.2] per quadrillion Btu, are used: wood --93.80; biomass waste--90.70; fuel ethanol--68.44; and biodiesel--73.84. For 1973-1988, the biomass portion of waste in MER Tables 10.2a-10.2c is estimated as 67 percent; for 1989-2000, the biomass portion of waste is estimated as 67 percent in 1989 to 58 percent in 2000, based on the biogenic shares of total municipal solid waste shown in EIA's "Methodolology for Allocating Municipal Solid Waste to Biogenic and Non-Biogenic Energy," Table 1 at http://www.eia.gov/cneaf/solar.renewables/page/mswaste/msw.pdf.

Table 12.1 Carbon Dioxide Emissions From Energy Consumption
by Source (Million Metric Tons of Carbon Dioxide (a))

                                                    Petroleum

                                Natural      Aviation     Distillate
                     Coal (b)   Gas (c)      Gasoline    Fuel Oil (d)

1973 Total             1,207      1,178             6            480
1975 Total             1,181      1,046             5            443
1980 Total             1,436      1,061             4            446
1985 Total             1,638        926             3            445
1990 Total             1,821      1,024             3            470
1995 Total             1,913      1,183             3            498
1996 Total             1,995      1,204             3            525
1997 Total             2,040      1,210             3            534
1998 Total             2,064      1,189             2            538
1999 Total             2,062      1,193             3            555
2000 Total             2,155      1,243             3            580
2001 Total             2,088      1,188             2            598
2002 Total             2,095      1,227             2            587
2003 Total             2,136      1,193             2            610
2004 Total             2,160      1,200             2            632
2005 Total             2,182      1,183             2            640
2006 Total             2,147      1,167             2            648
2007 Total             2,172      1,241             2            652
2008 Total             2,140      1,248             2            615
2009 Total             1,876      1,225             2            564
2010 Total             1,986      1,286             2            590
2011 Total             1,876      1,305             2            604

2012 January             142        148           (s)             51
     February            127        134           (s)             48
     March               118        114           (s)             49
     April               107        104           (s)             47
     May                 127        100           (s)             49
     June                142        100           (s)             47
     July                170        110           (s)             47
     August              163        107           (s)             49
     September           138         96           (s)             47
     October             133        101           (s)             51
     November            140        116           (s)             49
     December            146        134           (s)             46
     Total             1,653      1,362             2            580

2013 January             150        154           (s)             53
     February            135        137           (s)             47
     March               141        134           (s)             49
     April               123        104           (s)             49
     May                 131         93           (s)             49
     June                149         92           (s)             46
     July                164        102           (s)             46
     August              162        102           (s)             48
     September           145         94           (s)             47
     October             134         99           (s)             53
     November            133        123           (s)             49
     December            154        156           (s)             51
     Total             1,722      1,391             2        (R) 589

2014 January         (R) 165        172           (s)             56
     February            152        147           (s)             49
     March           (R) 145        137           (s)             53
     April               119        104           (s)             50
     4-Month Total       581        560           (s)            208

2013 4-Month Total       550        529           (s)            199
2012 4-Month Total       494        499             1            195

                                  Petroleum

                      Jet
                      Fuel    Kerosene    LPG (e)    Lubricants

1973 Total            155          32         92            13
1975 Total            146          24         82            11
1980 Total            156          24         87            13
1985 Total            178          17         87            12
1990 Total            223           6         67            13
1995 Total            222           8         80            13
1996 Total            232           9         86            12
1997 Total            234          10         87            13
1998 Total            238          12         82            14
1999 Total            245          11         90            14
2000 Total            254          10         97            14
2001 Total            243          11         88            13
2002 Total            237           6         91            12
2003 Total            231           8         87            11
2004 Total            240          10         87            12
2005 Total            246          10         84            12
2006 Total            240           8         80            11
2007 Total            238           5         83            12
2008 Total            226           2         79            11
2009 Total            204           3         78            10
2010 Total            210           3         79            11
2011 Total            209           2         78            10

2012 January           16         (s)          8             1
     February          16         (s)          7             1
     March             17         (s)          7             1
     April             16         (s)          6             1
     May               18         (s)          6             1
     June              19         (s)          6             1
     July              18         (s)          6             1
     August            18         (s)          6             1
     September         17         (s)          6             1
     October           17         (s)          7             1
     November          17         (s)          7             1
     December          17         (s)          8             1
     Total            206           1         81             9

2013 January           16         (s)          9             1
     February          15         (s)          8             1
     March             17         (s)          8             1
     April             17         (s)          7             1
     May               18         (s)          6             1
     June              17         (s)          6             1
     July              19         (s)          6             1
     August            19         (s)          6             1
     September         17         (s)          6             1
     October           18         (s)          8             1
     November          17         (s)          8             1
     December          18         (s)          9             1
     Total            208           1         87            10

2014 January           17         (s)         10             1
     February          15         (s)          7             1
     March             18         (s)          7             1
     April             17         (s)          6             1
     4-Month Total     68         (s)         30             3

2013 4-Month Total     65         (s)         32             3
2012 4-Month Total     66           1         28             3

                                   Petroleum

                         Motor        Petroleum    Residual
                      Gasoline (f)      Coke       Fuel Oil

1973 Total                    911           54         508
1975 Total                    911           51         443
1980 Total                    900           49         453
1985 Total                    930           54         216
1990 Total                    988           70         220
1995 Total                  1,044           76         152
1996 Total                  1,063           79         152
1997 Total                  1,075           80         142
1998 Total                  1,107           93         158
1999 Total                  1,127           96         148
2000 Total                  1,135           86         163
2001 Total                  1,151           89         144
2002 Total                  1,183           96         125
2003 Total                  1,188           96         138
2004 Total                  1,214          107         155
2005 Total                  1,214          106         165
2006 Total                  1,224          106         122
2007 Total                  1,227          100         128
2008 Total                  1,165           93         110
2009 Total                  1,156           87          90
2010 Total                  1,145           81          93
2011 Total                  1,112           78          79

2012 January                   88            7           7
     February                  87            5           5
     March                     93            6           6
     April                     91            6           6
     May                       97            7           5
     June                      94            7           5
     July                      95            6           7
     August                    99            8           6
     September                 90            7           5
     October                   94            6           5
     November                  89            7           5
     December                  91            7           3
     Total                  1,106           78          65

2013 January                   89            7           5
     February                  82            5           4
     March                     93            6           6
     April                     91            5           4
     May                       97            7           3
     June                      93            7           4
     July                      98            7           5
     August                    98            8           6
     September                 93            7           5
     October                   95            6           5
     November                  91            8           5
     December                  93            6           3
     Total                  1,114           76          56

2014 January                   88            8           4
     February                  85            5           3
     March                     94            4           3
     April                     94            6           4
     4-Month Total            360           23          14

2013 4-Month Total            355           22          20
2012 4-Month Total            359           24          24

                                Petroleum

                      Other (g)     Total       Total (h,i)

1973 Total                 100       2,350           4,735
1975 Total                  97       2,212           4,439
1980 Total                 142       2,275           4,771
1985 Total                  93       2,036           4,600
1990 Total                 127       2,187           5,039
1995 Total                 121       2,216           5,323
1996 Total                 139       2,300           5,510
1997 Total                 145       2,323           5,584
1998 Total                 128       2,372           5,635
1999 Total                 133       2,422           5,688
2000 Total                 118       2,459           5,868
2001 Total                 135       2,474           5,761
2002 Total                 130       2,470           5,804
2003 Total                 142       2,514           5,855
2004 Total                 144       2,603           5,975
2005 Total                 143       2,623           5,999
2006 Total                 152       2,593           5,919
2007 Total                 150       2,596           6,021
2008 Total                 132       2,436           5,835
2009 Total                 112       2,305           5,417
2010 Total                 122       2,336           5,619
2011 Total                 117       2,291           5,483

2012 January                 9         188             478
     February               10         180             442
     March                   9         188             420
     April                   8         181             393
     May                     8         191             418
     June                   10         188             431
     July                   10         190             471
     August                 10         196             467
     September               7         179             414
     October                11         190             426
     November               11         184             440
     December               12         185             466
     Total                 113       2,240           5,267

2013 January                 9         190             495
     February                9         171             444
     March                   8         189             465
     April                  10         184             412
     May                    11         191             416
     June                   10         185             428
     July                   12         194             462
     August                  9         195             461
     September              12         188             428
     October                11         196             431
     November               13         191             448
     December               12         193             504
     Total                 126       2,269           5,393

2014 January                 9         192         (R) 531
     February               10         175         (R) 475
     March                   9         190         (R) 473
     April                  10         188             412
     4-Month Total          38         745           1,981

2013 4-Month Total          37         734           1,817
2012 4-Month Total          36         736           1,733

(a) Metric tons of carbon dioxide can be converted to metric tons
of carbon equivalent by multiplying by 12/44.

(b) Includes coal coke net imports.

(c) Natural gas, excluding supplemental gaseous fuels.

(d) Distillate fuel oil, excluding biodiesel.

(e) Liquefied petroleum gases.

(f) Finished motor gasoline, excluding fuel ethanol.

(g) Aviation gasoline blending components, crude oil, motor
gasoline blending components, pentanes plus, petrochemical
feedstocks, special naphthas, still gas, unfinished oils, waxes,
and miscellaneous petroleum products.

(h) Includes electric power sector use of geothermal energy and
non-biomass waste. See Table 12.6.

(i) Excludes emissions from biomass energy consumption. See Table
12.7.

(R) = Revised. (s) = Less than 0.5 million metric tons.

Notes: * Data are estimates for carbon dioxide emissions from
energy consumption, including the nonfuel use of fossil fuels. See
"Section 12 Methodology and Sources" at end of section. * See
"Carbon Dioxide" in Glossary. * See Note 1, "Emissions of Carbon
Dioxide and Other Greenhouse Gases," at end of section. * Data
exclude emissions from biomass energy consumption. See Table 12.7
and Note 2, "Accounting for Carbon Dioxide Emissions From Biomass
Energy Combustion," at end of section. * Totals may not equal sum
of components due to independent rounding. * Geographic coverage is
the 50 states and the District of Columbia.

Web Page:See
http://www.eia.gov/totalenergy/data/monthly/#environment (Excel and
CSV files) for all available annual and monthly data beginning in
              1973

Sources: See end of section.

Table 12.2 Carbon Dioxide Emissions From Energy Consumption:
Residential Sector (Million Metric Tons of Carbon Dioxide (a))

                                                Petroleum

                               Natural     Distillate
                       Coal    Gas (b)    Fuel Oil (c)   Kerosene

1973 Total                9       264             147         16
1975 Total                6       266             132         12
1980 Total                3       256              96          8
1985 Total                4       241              80         11
1990 Total                3       238              72          5
1995 Total                2       263              66          5
1996 Total                2       284              68          6
1997 Total                2       270              64          7
1998 Total                1       247              56          8
1999 Total                1       257              61          8
2000 Total                1       271              66          7
2001 Total                1       259              66          7
2002 Total                1       265              63          4
2003 Total                1       276              68          5
2004 Total                1       264              68          6
2005 Total                1       262              62          6
2006 Total                1       237              52          5
2007 Total                1       257              53          3
2008 Total               NA       266              55          2
2009 Total               NA       259              43          2
2010 Total               NA       259              41          2
2011 Total               NA       255              39          1

2012 January             NA        43               5        (s)
     February            NA        36               4        (s)
     March               NA        22               3        (s)
     April               NA        15               2        (s)
     May                 NA         9               2        (s)
     June                NA         7               2        (s)
     July                NA         6               2        (s)
     August              NA         6               3        (s)
     September           NA         6               2        (s)
     October             NA        13               2        (s)
     November            NA        26               3        (s)
     December            NA        36               3        (s)
     Total               NA       225              36          1

2013 January             NA        48           (R) 6        (s)
     February            NA        41           (R) 5        (s)
     March               NA        36           (R) 5        (s)
     April               NA        20           (R) 3        (s)
     May                 NA        11               2        (s)
     June                NA         7           (R) 2        (s)
     July                NA         6           (R) 2        (s)
     August              NA         6           (R) 2        (s)
     September           NA         6               2        (s)
     October             NA        12           (R) 2        (s)
     November            NA        28           (R) 3        (s)
     December            NA        47           (R) 3        (s)
     Total               NA       268          (R) 36          1

2014 January             NA        56           (R) 4        (s)
     February            NA        46           (R) 4        (s)
     March               NA        38           (R) 4        (s)
     April               NA        19               2        (s)
     4-Month Total       NA       160              13        (s)

2013 4-Month Total       NA       145              19        (s)
2012 4-Month Total       NA       116              15        (s)

                          Petroleum
                                              Retail
                      LPG (d)    Total    Electricity (e)   Total (f)

1973 Total                36       199               435          907
1975 Total                32       176               419          867
1980 Total                20       124               529          911
1985 Total                20       111               553          909
1990 Total                22        98               624          963
1995 Total                25        96               678        1,039
1996 Total                30       104               710        1,099
1997 Total                29        99               719        1,090
1998 Total                27        91               759        1,097
1999 Total                33       102               762        1,122
2000 Total                35       108               805        1,185
2001 Total                33       106               805        1,172
2002 Total                34       101               835        1,203
2003 Total                34       108               847        1,232
2004 Total                32       106               856        1,228
2005 Total                32       101               897        1,261
2006 Total                28        85               869        1,192
2007 Total                31        87               897        1,241
2008 Total                35        92               878        1,235
2009 Total                35        79               819        1,157
2010 Total                33        77               875        1,210
2011 Total                32        72               824        1,150

2012 January               2         7                68          118
     February              2         6                57          100
     March                 2         6                50           78
     April                 2         4                44           64
     May                   2         5                55           68
     June                  2         4                69           80
     July                  2         4                92          102
     August                2         5                85           95
     September             2         4                65           75
     October               2         4                53           71
     November              2         5                56           88
     December              2         6                65          107
     Total                25        61               757        1,044

2013 January               3     (R) 8                72      (R) 128
     February              2     (R) 8                61      (R) 110
     March                 2     (R) 7                62      (R) 106
     April                 2     (R) 6                50       (R) 76
     May                   2         4                51       (R) 66
     June                  2         3                67           77
     July                  2     (R) 4                83       (R) 93
     August                2         4                79           89
     September             2         4                67           77
     October               2         4                54       (R) 70
     November              2     (R) 5                54       (R) 88
     December              3     (R) 6                74      (R) 126
     Total                27    (R) 64               773    (R) 1,106

2014 January               3     (R) 7                84      (R) 147
     February              2     (R) 6                73      (R) 126
     March                 2     (R) 6                63      (R) 107
     April                 2         4                47           70
     4-Month Total         9        22               268          450

2013 4-Month Total         9        29               246          420
2012 4-Month Total         9        24               220          360

(a) Metric tons of carbon dioxide can be converted to metric tons
of carbon equivalent by multiplying by 12/44.

(b) Natural gas, excluding supplemental gaseous fuels.

(c) Distillate fuel oil, excluding biodiesel.

(d) Liquefied petroleum gases.

(e) Emissions from energy consumption (for electricity and a small
amount of useful thermal output) in the electric power sector are
allocated to the end-use sectors in proportion to each sector's
share of total electricity retail sales. See Tables 7.6 and 12.6.

(f) Excludes emissions from biomass energy consumption. See Table
12.7.

(R)=Revised. NA=Not available. (s)=Less than 0.5 million metric
tons.

Notes: * Data are estimates for carbon dioxide emissions from
energy consumption. See "Section 12 Methodology and Sources" at end
of section. * See "Carbon Dioxide" in Glossary. * See Note 1,
"Emissions of Carbon Dioxide and Other Greenhouse Gases," at end of
section. * Data exclude emissions from biomass energy consumption.
See Table 12.7 and Note 2, "Accounting for Carbon Dioxide Emissions
From Biomass Energy Combustion," at end of section. * Totals may
not equal sum of components due to independent rounding. *
Geographic coverage is the 50 states and the District of Columbia.

Web Page: See
http://www.eia.gov/totalenergy/data/monthly/#environment (Excel and
CSV files) for all available annual and monthly data beginning in
1973.

Sources: See end of section.

Table 12.3 Carbon Dioxide Emissions From Energy Consumption:
Commercial Sector (Million Metric Tons of Carbon Dioxide (a))

                                                    Petroleum

                                  Natural    Distillate
                         Coal     Gas (b)   Fuel Oil (c)   Kerosene

1973 Total                  15       141             47          5
1975 Total                  14       136             43          4
1980 Total                  11       141             38          3
1985 Total                  13       132             46          2
1990 Total                  12       142             39          1
1995 Total                  11       164             35          2
1996 Total                  12       171             35          2
1997 Total                  12       174             32          2
1998 Total                   9       164             31          2
1999 Total                  10       165             32          2
2000 Total                   9       173             36          2
2001 Total                   9       164             37          2
2002 Total                   9       170             32          1
2003 Total                   8       173             36          1
2004 Total                  10       170             34          1
2005 Total                   9       163             33          2
2006 Total                   6       154             29          1
2007 Total                   7       164             28          1
2008 Total                   8       171             28        (s)
2009 Total                   7       169             29        (s)
2010 Total                   7       168             29        (s)
2011 Total                   6       171             29        (s)

2012 January                 1        24              4        (s)
     February              (s)        21              3        (s)
     March                 (s)        14              3        (s)
     April                 (s)        11              2        (s)
     May                   (s)         8              2        (s)
     June                  (s)         7              2        (s)
     July                  (s)         7              2        (s)
     August                (s)         7              2        (s)
     September             (s)         8              2        (s)
     October               (s)        12              2        (s)
     November              (s)        17              2        (s)
     December              (s)        21              2        (s)
     Total                   4       157             26        (s)

2013 January               (s)        26          (R) 4        (s)
     February              (s)        23          (R) 4        (s)
     March                 (s)        21          (R) 3        (s)
     April                 (s)        13          (R) 3        (s)
     May                   (s)         9          (R) 2        (s)
     June                  (s)         7              1        (s)
     July                  (s)         7              1        (s)
     August                (s)         7          (R) 2        (s)
     September             (s)         8          (R) 2        (s)
     October               (s)        11              1        (s)
     November              (s)        19          (R) 2        (s)
     December              (s)        26              2        (s)
     Total                   4       179         (R) 27        (s)

2014 January           (R) (s)        31          (R) 3        (s)
     February          (R) (s)        27          (R) 3        (s)
     March             (R) (s)        23          (R) 3        (s)
     April                 (s)        13              1        (s)
     4-Month Total           2        94              9        (s)

2013 4-Month Total           2        84             14        (s)
2012 4-Month Total           2        71             11        (s)

                                        Petroleum

                                    Motor       Petroleum   Residual
                       LPG (d)   Gasoline (e)     Coke      Fuel Oil

1973 Total                  9              6          NA         52
1975 Total                  8              6          NA         39
1980 Total                  6              8          NA         44
1985 Total                  6              7          NA         18
1990 Total                  6              8           0         18
1995 Total                  7              1         (s)         11
1996 Total                  8              2         (s)         11
1997 Total                  8              3         (s)          9
1998 Total                  7              3         (s)          7
1999 Total                  9              2         (s)          6
2000 Total                  9              3         (s)          7
2001 Total                  9              3         (s)          6
2002 Total                  9              3         (s)          6
2003 Total                 10              4         (s)          9
2004 Total                 10              3         (s)         10
2005 Total                  8              3         (s)          9
2006 Total                  8              3         (s)          6
2007 Total                  8              4         (s)          6
2008 Total                 10              3         (s)          6
2009 Total                  9              4         (s)          6
2010 Total                  9              4         (s)          5
2011 Total                  9              3         (s)          4

2012 January                1            (s)         (s)        (s)
     February               1            (s)         (s)        (s)
     March                  1            (s)         (s)        (s)
     April                  1            (s)         (s)        (s)
     May                    1            (s)           0        (s)
     June                   1            (s)           0        (s)
     July                   1            (s)         (s)        (s)
     August                 1            (s)         (s)        (s)
     September              1            (s)         (s)        (s)
     October                1            (s)         (s)        (s)
     November               1            (s)         (s)        (s)
     December               1            (s)         (s)        (s)
     Total                  9              3         (s)          2

2013 January                1            (s)         (s)        (s)
     February               1            (s)         (s)        (s)
     March                  1            (s)         (s)        (s)
     April                  1            (s)         (s)        (s)
     May                    1            (s)           0        (s)
     June                   1            (s)           0        (s)
     July                   1            (s)         (s)        (s)
     August                 1            (s)         (s)        (s)
     September              1            (s)         (s)        (s)
     October                1            (s)         (s)        (s)
     November               1            (s)         (s)        (s)
     December               1            (s)         (s)        (s)
     Total                  9              3         (s)          2

2014 January                1            (s)         (s)        (s)
     February               1            (s)         (s)        (s)
     March                  1            (s)         (s)        (s)
     April                  1            (s)         (s)        (s)
     4-Month Total          3              1         (s)          1

2013 4-Month Total          3              1         (s)          1
2012 4-Month Total          3              1         (s)          1

                         Petroleum

                                          Retail
                           Total      Electricity (f)   Total (g)

1973 Total                    120                334         609
1975 Total                    100                333         583
1980 Total                     98                412         662
1985 Total                     79                480         704
1990 Total                     73                566         793
1995 Total                     56                620         851
1996 Total                     57                643         883
1997 Total                     54                686         926
1998 Total                     51                724         947
1999 Total                     51                735         960
2000 Total                     58                783       1,022
2001 Total                     57                797       1,027
2002 Total                     52                795       1,026
2003 Total                     61                796       1,037
2004 Total                     58                816       1,054
2005 Total                     55                842       1,069
2006 Total                     48                836       1,043
2007 Total                     47                861       1,078
2008 Total                     47                850       1,076
2009 Total                     47                785       1,008
2010 Total                     46                805       1,026
2011 Total                     46                769         991

2012 January                    5                 57          87
     February                   4                 53          79
     March                      4                 52          70
     April                      3                 51          65
     May                        3                 60          72
     June                       3                 66          76
     July                       3                 76          86
     August                     3                 73          84
     September                  3                 63          74
     October                    3                 61          76
     November                   3                 59          79
     December                   4                 59          84
     Total                     40                731         933

2013 January                (R) 6                 59      (R) 91
     February               (R) 5                 54      (R) 83
     March                  (R) 5                 58      (R) 84
     April                  (R) 4                 53      (R) 71
     May                    (R) 3                 59      (R) 71
     June                       2                 67      (R) 77
     July                       2                 74      (R) 84
     August                 (R) 3                 73      (R) 84
     September              (R) 3                 65          76
     October                    2                 61          75
     November                   3                 58      (R) 80
     December               (R) 4                 63          92
     Total                 (R) 41                744     (R) 968

2014 January                (R) 4                 66     (R) 102
     February               (R) 4                 59      (R) 90
     March                  (R) 4                 59          86
     April                      2                 52          68
     4-Month Total             14                236         346

2013 4-Month Total             19                225         330
2012 4-Month Total             16                213         301

(a) Metric tons of carbon dioxide can be converted to metric tons
of carbon equivalent by multiplying by 12/44.

(b) Natural gas, excluding supplemental gaseous fuels.

(c) Distillate fuel oil, excluding biodiesel.

(d) Liquefied petroleum gases.

(e) Finished motor gasoline, excluding fuel ethanol.

(f) Emissions from energy consumption (for electricity and a small
amount of useful thermal output) in the electric power sector are
allocated to the end-use sectors in proportion to each sector's
share of total electricity retail sales. See Tables 7.6 and 12.6.

(g) Excludes emissions from biomass energy consumption. See Table
12.7.

(R)=Revised. NA=Not available. (s)=Less than 0.5 million metric
tons.

Notes: * Data are estimates for carbon dioxide emissions from
energy consumption. See "Section 12 Methodology and Sources" at end
of section. * See "Carbon Dioxide" in Glossary. * See Note 1,
"Emissions of Carbon Dioxide and Other Greenhouse Gases," at end of
section. * Data exclude emissions from biomass energy consumption.
See Table 12.7 and Note 2, "Accounting for Carbon Dioxide Emissions
From Biomass Energy Combustion," at end of section. * Totals may
not equal sum of components due to independent rounding. *
Geographic coverage is the 50 states and the District of Columbia.

Web Page: See
http://www.eia.gov/totalenergy/data/monthly/#environment (Excel and
CSV files) for all available annual and monthly data beginning in
                1973

Sources: See end of section.

Table 12.4 Carbon Dioxide Emissions From Energy Consumption:
Industrial Sector (Million Metric Tons of Carbon Dioxide (a))

                                    Coal
                                    Coke
                                     Net      Natural
                         Coal      Imports    Gas (b)

1973 Total                 371         -1        536
1975 Total                 336          2        440
1980 Total                 289         -4        429
1985 Total                 256         -2        360
1990 Total                 258          1        432
1995 Total                 233          7        489
1996 Total                 227          3        505
1997 Total                 224          5        505
1998 Total                 219          8        495
1999 Total                 208          7        475
2000 Total                 211          7        483
2001 Total                 204          3        440
2002 Total                 188          7        448
2003 Total                 190          6        432
2004 Total                 191         16        437
2005 Total                 183          5        405
2006 Total                 179          7        404
2007 Total                 175          3        414
2008 Total                 168          5        412
2009 Total                 131         -3        386
2010 Total                 153         -1        421
2011 Total                 146          1        431

2012 January                12        (s)         41
     February               12        (s)         38
     March                  12        (s)         38
     April                  11          1         36
     May                    11        (s)         36
     June                   11        (s)         35
     July                   11        (s)         36
     August                 11        (s)         36
     September              11        (s)         36
     October                11        (s)         37
     November               12        (s)         38
     December               12        (s)         40
     Total                 137        (s)        446

2013 January                12        (s)         41
     February               12        (s)         38
     March                  12        (s)         40
     April                  12        (s)         37
     May                    12        (s)         37
     June                   12        (s)         35
     July                   12        (s)         37
     August                 12        (s)         37
     September              12        (s)         36
     October                13        (s)         38
     November               12        (s)         40
     December               12        (s)         43
     Total                 145         -2        460

2014 January                12        (s)         44
     February               12        (s)         40
     March              (R) 12        (s)         42
     April                  11        (s)         39
     4-Month Total          47        (s)        164

2013 4-Month Total          48        (s)        156
2012 4-Month Total          47          1        152

                                            Petroleum

                       Distillate
                      Fuel Oil (c)   Kerosene   LPG (d)   Lubricants

1973 Total                    106         11        44            7
1975 Total                     97          9        39            6
1980 Total                     96         13        61            7
1985 Total                     81          3        59            6
1990 Total                     84          1        37            7
1995 Total                     82          1        47            7
1996 Total                     87          1        48            6
1997 Total                     88          1        50            7
1998 Total                     88          2        47            7
1999 Total                     86          1        47            7
2000 Total                     87          1        52            7
2001 Total                     95          2        45            6
2002 Total                     88          1        47            6
2003 Total                     85          2        41            6
2004 Total                     88          2        44            6
2005 Total                     92          3        42            6
2006 Total                     92          2        43            6
2007 Total                     92          1        43            6
2008 Total                     99        (s)        32            6
2009 Total                     78        (s)        33            5
2010 Total                     85          1        35            6
2011 Total                     91        (s)        34            5

2012 January                    9        (s)         5          (s)
     February                  10        (s)         4          (s)
     March                      8        (s)         4          (s)
     April                      8        (s)         3          (s)
     May                        8        (s)         3          (s)
     June                       7        (s)         3          (s)
     July                       5        (s)         3          (s)
     August                     6        (s)         3          (s)
     September                  7        (s)         3          (s)
     October                    9        (s)         4          (s)
     November                   9        (s)         4          (s)
     December                   7        (s)         5          (s)
     Total                     94        (s)        45            5

2013 January               (R) 10        (s)         6          (s)
     February               (R) 7        (s)         5          (s)
     March                  (R) 7        (s)         4          (s)
     April                  (R) 8        (s)         4          (s)
     May                    (R) 8        (s)         3          (s)
     June                   (R) 7        (s)         3          (s)
     July                   (R) 6        (s)         3          (s)
     August                 (R) 6        (s)         3          (s)
     September              (R) 7        (s)         3          (s)
     October               (R) 11        (s)         4          (s)
     November               (R) 9        (s)         4          (s)
     December              (R) 10        (s)         5          (s)
     Total                 (R) 96        (s)        48            5

2014 January               (R) 13        (s)         6          (s)
     February              (R) 10        (s)         4          (s)
     March                 (R) 10        (s)         4          (s)
     April                     10        (s)         3          (s)
     4-Month Total             44        (s)        17            2

2013 4-Month Total             32        (s)        18            2
2012 4-Month Total             36        (s)        15            2

                                         Petroleum

                         Motor       Petroleum   Residual
                      Gasoline (e)     Coke      Fuel Oil   Other (f)

1973 Total                     18          52        144         100
1975 Total                     16          51        117          97
1980 Total                     11          48        105         142
1985 Total                     15          54         57          93
1990 Total                     13          67         31         127
1995 Total                     14          67         25         121
1996 Total                     14          71         24         139
1997 Total                     15          70         21         145
1998 Total                     14          80         16         128
1999 Total                     11          85         14         133
2000 Total                     11          76         17         118
2001 Total                     21          79         14         135
2002 Total                     22          79         13         130
2003 Total                     23          78         16         142
2004 Total                     26          84         18         144
2005 Total                     25          81         20         143
2006 Total                     26          84         16         152
2007 Total                     21          82         13         150
2008 Total                     17          77         13         132
2009 Total                     16          72          8         112
2010 Total                     18          67          6         122
2011 Total                     17          63          6         117

2012 January                    1           6        (s)           9
     February                   1           4        (s)          10
     March                      1           5        (s)           9
     April                      1           6        (s)           8
     May                        1           6        (s)           8
     June                       1           6        (s)          10
     July                       1           6        (s)          10
     August                     1           7        (s)          10
     September                  1           6        (s)           7
     October                    1           5        (s)          11
     November                   1           6        (s)          11
     December                   1           6        (s)          12
     Total                     16          69          3         113

2013 January                    1           6        (s)           9
     February                   1           4        (s)           9
     March                      1           5        (s)           8
     April                      1           4        (s)          10
     May                        1           5        (s)          11
     June                       1           6        (s)          10
     July                       1           5        (s)          12
     August                     1           6        (s)           9
     September                  1           6        (s)          12
     October                    1           5        (s)          11
     November                   1           7        (s)          13
     December                   1           4        (s)          12
     Total                     17          63          3         126

2014 January                    1           7        (s)           9
     February                   1           4        (s)          10
     March                      1           3        (s)           9
     April                      1           5        (s)          10
     4-Month Total              5          18          1          38

2013 4-Month Total              5          18          1          37
2012 4-Month Total              5          21          1          36

                        Petroleum
                                         Retail
                          Total      Electricity (g)    Total (h)

1973 Total                   483                515         1,904
1975 Total                   431                490         1,697
1980 Total                   483                601         1,798
1985 Total                   369                583         1,566
1990 Total                   366                638         1,695
1995 Total                   364                659         1,751
1996 Total                   391                678         1,803
1997 Total                   396                694         1,824
1998 Total                   382                706         1,809
1999 Total                   383                704         1,778
2000 Total                   369                719         1,788
2001 Total                   396                667         1,711
2002 Total                   386                654         1,683
2003 Total                   393                672         1,692
2004 Total                   413                675         1,731
2005 Total                   412                673         1,678
2006 Total                   421                650         1,662
2007 Total                   408                662         1,662
2008 Total                   376                642         1,602
2009 Total                   325                551         1,390
2010 Total                   338                587         1,498
2011 Total                   335                574         1,487

2012 January                  32                 43           127
     February                 30                 42           121
     March                    29                 41           120
     April                    26                 41           115
     May                      28                 46           121
     June                     27                 47           120
     July                     25                 52           124
     August                   28                 50           126
     September                26                 45           117
     October                  31                 46           125
     November                 32                 46           127
     December                 31                 45           128
     Total                   345                543         1,471

2013 January              (R) 33                 43       (R) 129
     February             (R) 27                 40       (R) 117
     March                (R) 27                 44       (R) 122
     April                (R) 27                 41       (R) 117
     May                  (R) 29                 44       (R) 122
     June                 (R) 28                 46       (R) 121
     July                 (R) 28                 48       (R) 125
     August               (R) 27                 49       (R) 125
     September            (R) 30                 44       (R) 122
     October              (R) 33                 44       (R) 128
     November             (R) 35                 43       (R) 130
     December             (R) 33                 44       (R) 132
     Total               (R) 358                531     (R) 1,492

2014 January              (R) 36                 45       (R) 136
     February             (R) 30                 41       (R) 123
     March                (R) 29                 43       (R) 126
     April                    31                 40           120
     4-Month Total           125                169           505

2013 4-Month Total           114                168           486
2012 4-Month Total           117                166           483

(a) Metric tons of carbon dioxide can be converted to metric tons
of carbon equivalent by multiplying by 12/44.

(b) Natural gas, excluding supplemental gaseous fuels.

(c) Distillate fuel oil, excluding biodiesel.

(d) Liquefied petroleum gases.

(e) Finished motor gasoline, excluding fuel ethanol.

(f) Aviation gasoline blending components, crude oil, motor
gasoline blending components, pentanes plus, petrochemical
feedstocks, special naphthas, still gas, unfinished oils, waxes,
and miscellaneous petroleum products.

(g) Emissions from energy consumption (for electricity and a small
amount of useful thermal output) in the electric power sector are
allocated to the end-use sectors in proportion to each sector's
share of total electricity retail sales. See Tables 7.6 and 12.6.

(h) Excludes emissions from biomass energy consumption. See Table
12.7.

(R)=Revised. (s)=Less than 0.5 million metric tons and greater than
-0.5 million metric tons.

Notes: * Data are estimates for carbon dioxide emissions from
energy consumption, including the nonfuel use of fossil fuels. See
"Section 12 Methodology and Sources" at end of section. * See
"Carbon Dioxide" in Glossary. * See Note 1, "Emissions of Carbon
Dioxide and Other Greenhouse Gases," at end of section. * Data
exclude emissions from biomass energy consumption. See Table 12.7
and Note 2, "Accounting for Carbon Dioxide Emissions From Biomass
Energy Combustion," at end of section. * Totals may not equal sum
of components due to independent rounding. * Geographic coverage is
the 50 states and the District of Columbia.

Web Page: See
http://www.eia.gov/totalenergy/data/monthly/#environment (Excel and
CSV files) for all available annual and monthly data beginning in
1973.

Sources: See end of section.

Table 12.5 Carbon Dioxide Emissions From Energy Consumption:
Transportation Sector (Million Metric Tons of Carbon Dioxide (a))

                                              Petroleum

                              Natural   Aviation     Distillate
                       Coal   Gas (b)   Gasoline    Fuel Oil (c)

1973 Total             (s)        39           6            163
1975 Total             (s)        32           5            155
1980 Total             (h)        34           4            204
1985 Total             (h)        28           3            232
1990 Total             (h)        36           3            268
1995 Total             (h)        38           3            307
1996 Total             (h)        39           3            327
1997 Total             (h)        41           3            342
1998 Total             (h)        35           2            352
1999 Total             (h)        36           3            366
2000 Total             (h)        36           3            378
2001 Total             (h)        35           2            387
2002 Total             (h)        37           2            394
2003 Total             (h)        33           2            409
2004 Total             (h)        32           2            434
2005 Total             (h)        33           2            444
2006 Total             (h)        33           2            469
2007 Total             (h)        35           2            472
2008 Total             (h)        37           2            427
2009 Total             (h)        38           2            408
2010 Total             (h)        38           2            429
2011 Total             (h)        39           2            441

2012 January           (h)         4         (s)             32
     February          (h)         4         (s)             31
     March             (h)         3         (s)             34
     April             (h)         3         (s)             35
     May               (h)         3         (s)             37
     June              (h)         3         (s)             36
     July              (h)         3         (s)             37
     August            (h)         3         (s)             38
     September         (h)         3         (s)             35
     October           (h)         3         (s)             37
     November          (h)         3         (s)             35
     December          (h)         4         (s)             34
     Total             (h)        41           2            420

2013 January           (h)         5         (s)         (R) 33
     February          (h)         4         (s)         (R) 30
     March             (h)         4         (s)             34
     April             (h)         3         (s)             35
     May               (h)         3         (s)             37
     June              (h)         3         (s)         (R) 37
     July              (h)         3         (s)         (R) 38
     August            (h)         3         (s)             38
     September         (h)         3         (s)             35
     October           (h)         3         (s)             39
     November          (h)         4         (s)             35
     December          (h)         5         (s)         (R) 35
     Total             (h)        42           2        (R) 426

2014 January           (h)         5         (s)         (R) 34
     February          (h)         4         (s)             32
     March             (h)         4         (s)             36
     April             (h)         3         (s)             37
     4-Month Total     (h)        17         (s)            138

2013 4-Month Total     (h)        16         (s)            132
2012 4-Month Total     (h)        15           1            132

                                        Petroleum

                       Jet                              Motor
                       Fuel   LPG (d)   Lubricants   Gasoline (e)

1973 Total             152         3            6            886
1975 Total             145         3            6            889
1980 Total             155         1            6            881
1985 Total             178         2            6            908
1990 Total             223         1            7            967
1995 Total             222         1            6          1,029
1996 Total             232         1            6          1,047
1997 Total             234         1            6          1,057
1998 Total             238         1            7          1,090
1999 Total             245         1            7          1,115
2000 Total             254         1            7          1,121
2001 Total             243         1            6          1,127
2002 Total             237         1            6          1,158
2003 Total             231         1            6          1,161
2004 Total             240         1            6          1,185
2005 Total             246         2            6          1,186
2006 Total             240         2            5          1,194
2007 Total             238         1            6          1,201
2008 Total             226         3            5          1,145
2009 Total             204         2            5          1,136
2010 Total             210         2            5          1,123
2011 Total             209         2            5          1,092

2012 January            16       (s)          (s)             87
     February           16       (s)          (s)             85
     March              17       (s)          (s)             91
     April              16       (s)          (s)             90
     May                18       (s)          (s)             95
     June               19       (s)          (s)             92
     July               18       (s)          (s)             94
     August             18       (s)          (s)             97
     September          17       (s)          (s)             88
     October            17       (s)          (s)             92
     November           17       (s)          (s)             87
     December           17       (s)          (s)             89
     Total             206         2            5          1,087

2013 January            16       (s)          (s)             87
     February           15       (s)          (s)             81
     March              17       (s)          (s)             91
     April              17       (s)          (s)             90
     May                18       (s)          (s)             95
     June               17       (s)          (s)             92
     July               19       (s)          (s)             96
     August             19       (s)          (s)             97
     September          17       (s)          (s)             91
     October            18       (s)          (s)             93
     November           17       (s)          (s)             90
     December           18       (s)          (s)             92
     Total             208         3            5          1,094

2014 January            17       (s)          (s)             87
     February           15       (s)          (s)             83
     March              18       (s)          (s)             92
     April              17       (s)          (s)             92
     4-Month Total      68         1            2            354

2013 4-Month Total      65         1            2            349
2012 4-Month Total      66         1            2            353

                            Petroleum

                                                 Retail
                       Residual                Electricity
                       Fuel Oil     Total          (f)       Total (g)

1973 Total                  57        1,273             2        1,315
1975 Total                  56        1,258             2        1,292
1980 Total                 110        1,363             2        1,400
1985 Total                  62        1,391             3        1,421
1990 Total                  80        1,548             3        1,588
1995 Total                  72        1,639             3        1,681
1996 Total                  67        1,683             3        1,725
1997 Total                  56        1,699             3        1,744
1998 Total                  53        1,743             3        1,782
1999 Total                  52        1,789             3        1,828
2000 Total                  70        1,833             4        1,872
2001 Total                  46        1,813             4        1,852
2002 Total                  53        1,851             4        1,892
2003 Total                  45        1,856             5        1,893
2004 Total                  58        1,926             5        1,962
2005 Total                  66        1,953             5        1,991
2006 Total                  71        1,984             5        2,022
2007 Total                  78        1,999             5        2,040
2008 Total                  73        1,881             5        1,922
2009 Total                  62        1,819             5        1,862
2010 Total                  70        1,842             5        1,885
2011 Total                  61        1,812             4        1,855

2012 January                 5          142           (s)          146
     February                5          137           (s)          142
     March                   5          148           (s)          152
     April                   5          147           (s)          150
     May                     4          154           (s)          157
     June                    4          152           (s)          155
     July                    6          155           (s)          159
     August                  5          158           (s)          162
     September               5          145           (s)          148
     October                 4          151           (s)          154
     November                4          143           (s)          147
     December                2          143           (s)          147
     Total                  53        1,774             4        1,819

2013 January                 4      (R) 141           (s)      (R) 146
     February                3      (R) 129           (s)          134
     March                   5      (R) 148           (s)          153
     April                   3          146           (s)          149
     May                     2          153           (s)          156
     June                    4          150           (s)          153
     July                    4      (R) 158           (s)          161
     August                  5          159           (s)          163
     September               4          149           (s)          152
     October                 4      (R) 155           (s)          158
     November                4          146           (s)          150
     December                2          148           (s)          153
     Total                  45    (R) 1,782             4    (R) 1,828

2014 January                 2      (R) 140           (s)          146
     February                2      (R) 132           (s)      (R) 137
     March                   2          149           (s)          153
     April                   3          150           (s)          153
     4-Month Total           8          571             2          590

2013 4-Month Total          16          564             1          582
2012 4-Month Total          20          574             1          590

(a) Metric tons of carbon dioxide can be converted to metric tons
of carbon equivalent by multiplying by 12/44.

(b) Natural gas, excluding supplemental gaseous fuels.

(c) Distillate fuel oil, excluding biodiesel.

(d) Liquefied petroleum gases.

(e) Finished motor gasoline, excluding fuel ethanol.

(f) Emissions from energy consumption (for electricity and a small
amount of useful thermal output) in the electric power sector are
allocated to the end-use sectors in proportion to each sector's
share of total electricity retail sales. See Tables 7.6 and 12.6.

(g) Excludes emissions from biomass energy consumption. See Table
12.7.

(h) Beginning in 1978, the small amounts of coal consumed for
transportation are reported as industrial sector consumption.

(R)=Revised. (s)=Less than 0.5 million metric tons.

Notes: * Data are estimates for carbon dioxide emissions from
energy consumption, including the nonfuel use of fossil fuels. See
"Section 12 Methodology and Sources" at end of section. * See
"Carbon Dioxide" in Glossary. * See Note 1, "Emissions of Carbon
Dioxide and Other Greenhouse Gases," at end of section. * Data
exclude emissions from biomass energy consumption. See Table 12.7
and Note 2, "Accounting for Carbon Dioxide Emissions From Biomass
Energy Combustion," at end of section. * Totals may not equal sum
of components due to independent rounding. * Geographic coverage is
the 50 states and the District of Columbia.

Web Page: See
http://www.eia.gov/totalenergy/data/monthly/#environment (Excel and
CSV files) for all available annual and monthly data beginning
in 1973.

Sources: See end of section.

Table 12.6 Carbon Dioxide Emissions From Energy Consumption:
Electric Power Sector (Million Metric Tons of Carbon Dioxide  (a))

                                               Petroleum

                                   Natural     Distillate
                          Coal     Gas (b)    Fuel Oil (c)

1973 Total                 812        199              20
1975 Total                 824        172              17
1980 Total               1,137        200              12
1985 Total               1,367        166               6
1990 Total               1,548        176               7
1995 Total               1,661        228               8
1996 Total               1,752        205               8
1997 Total               1,797        219               8
1998 Total               1,828        248              10
1999 Total               1,836        260              10
2000 Total               1,927        281              13
2001 Total               1,870        290              12
2002 Total               1,890        306               9
2003 Total               1,931        278              12
2004 Total               1,943        297               8
2005 Total               1,984        319               8
2006 Total               1,954        338               5
2007 Total               1,987        372               7
2008 Total               1,959        362               5
2009 Total               1,741        373               5
2010 Total               1,828        399               6
2011 Total               1,723        409               5

2012 January               130         35             (s)
     February              115         35             (s)
     March                 105         36             (s)
     April                  95         39             (s)
     May                   115         44             (s)
     June                  131         48             (s)
     July                  158         58             (s)
     August                151         54             (s)
     September             127         43             (s)
     October               122         36             (s)
     November              128         31             (s)
     December              134         32             (s)
     Total               1,511        493               4

2013 January               137         34             (s)
     February              123         31             (s)
     March                 129         33             (s)
     April                 111         30             (s)
     May                   118         33             (s)
     June                  138         40             (s)
     July                  152         49             (s)
     August                150         49             (s)
     September             133         41             (s)
     October               121         35             (s)
     November              121         32             (s)
     December              141         36             (s)
     Total               1,575        442               4

2014 January               153         36               2
     February              140         30               1
     March                 132         30               1
     April                 108         30             (s)
     4-Month Total         533        126               4

2013 4-Month Total         500        128               1
2012 4-Month Total         445        145               1

                                  Petroleum

                         Petroleum    Residual
                           Coke       Fuel Oil    Total

1973 Total                      2         254      276
1975 Total                    (s)         231      248
1980 Total                      1         194      207
1985 Total                      1          79       86
1990 Total                      3          92      102
1995 Total                      8          45       61
1996 Total                      8          50       66
1997 Total                     10          56       75
1998 Total                     13          82      105
1999 Total                     11          76       97
2000 Total                     10          69       91
2001 Total                     11          79      102
2002 Total                     18          52       79
2003 Total                     18          69       98
2004 Total                     23          69      100
2005 Total                     25          69      102
2006 Total                     22          28       56
2007 Total                     17          31       55
2008 Total                     16          19       40
2009 Total                     14          14       34
2010 Total                     15          12       33
2011 Total                     15           7       27

2012 January                    1           1        2
     February                   1         (s)        2
     March                      1         (s)        1
     April                      1         (s)        1
     May                        1         (s)        1
     June                       1           1        2
     July                       1           1        2
     August                     1           1        2
     September                  1         (s)        1
     October                    1         (s)        1
     November                   1         (s)        1
     December                   1         (s)        2
     Total                      9           6       19

2013 January                    1           1        2
     February                   1           1        2
     March                      1         (s)        2
     April                      1         (s)        2
     May                        1         (s)        2
     June                       1       (s) 1        2
     July                       1                    2
     August                     1           1        2
     September                  1         (s)        2
     October                    1         (s)        2
     November                   1       (s) 1        2
     December                   1                    2
     Total                     13           6       23

2014 January                    1           2        5
     February                   1           1        2
     March                      1           1        3
     April                      1         (s)        2
     4-Month Total              4           4       12

2013 4-Month Total              4           2        7
2012 4-Month Total              3           2        6

                                         Non-
                                        Biomass
                         Geothermal    Waste (d)    Total (e)

1973 Total                      NA           NA        1,286
1975 Total                      NA           NA        1,244
1980 Total                      NA           NA        1,544
1985 Total                      NA           NA        1,619
1990 Total                     (s)            6        1,831
1995 Total                     (s)           10        1,960
1996 Total                     (s)           10        2,033
1997 Total                     (s)           10        2,101
1998 Total                     (s)           10        2,192
1999 Total                     (s)           10        2,204
2000 Total                     (s)           10        2,310
2001 Total                     (s)           11        2,273
2002 Total                     (s)           13        2,288
2003 Total                     (s)           11        2,319
2004 Total                     (s)           11        2,352
2005 Total                     (s)           11        2,417
2006 Total                     (s)           12        2,359
2007 Total                     (s)           11        2,426
2008 Total                     (s)           12        2,374
2009 Total                     (s)           11        2,159
2010 Total                     (s)           11        2,271
2011 Total                     (s)           11        2,171

2012 January                   (s)            1          168
     February                  (s)            1          153
     March                     (s)            1          144
     April                     (s)            1          135
     May                       (s)            1          161
     June                      (s)            1          181
     July                      (s)            1          220
     August                    (s)            1          208
     September                 (s)            1          173
     October                   (s)            1          160
     November                  (s)            1          162
     December                  (s)            1          169
     Total                     (s)           11        2,035

2013 January                   (s)            1          175
     February                  (s)            1          156
     March                     (s)            1          164
     April                     (s)            1          144
     May                       (s)            1          155
     June                      (s)            1          180
     July                      (s)            1          205
     August                    (s)            1          202
     September                 (s)            1          177
     October                   (s)            1          159
     November                  (s)            1          156
     December                  (s)            1          180
     Total                     (s)           11        2,053

2014 January                   (s)            1          196
     February                  (s)            1          173
     March                     (s)            1          166
     April                     (s)            1          140
     4-Month Total             (s)            4          675

2013 4-Month Total             (s)            4          639
2012 4-Month Total             (s)            4          600

(a) Metric tons of carbon dioxide can be converted to metric tons
of carbon equivalent by multiplying by 12/44.

(b) Natural gas, excluding supplemental gaseous fuels.

(c) Distillate fuel oil, excluding biodiesel.

(d) Municipal solid waste from non-biogenic sources, and
tire-derived fuels.

(e) Excludes emissions from biomass energy consumption. See Table
12.7.

NA=Not available. (s)=Less than 0.5 million metric tons.

Notes:* Data are estimates for carbon dioxide emissions from energy
consumption. See "Section 12 Methodology and Sources" at end of
section. * See "Carbon Dioxide" in Glossary. * See Note 1,
"Emissions of Carbon Dioxide and Other Greenhouse Gases," at end of
section. * Data exclude emissions from biomass energy consumption.
See Table 12.7 and Note 2, "Accounting for Carbon Dioxide Emissions
From Biomass Energy Combustion," at end of section. * Totals may
not equal sum of components due to independent rounding. *
Geographic coverage is the 50 states and the District of Columbia.

Web Page: See
http://www.eia.gov/totalenergy/data/monthly/#environment (Excel and
CSV files) for all available annual and monthly data beginning
in 1973.

Sources: See end of section.

Table 12.7 Carbon Dioxide Emissions From Biomass Energy Consumption
(Million Metric Tons of Carbon Dioxide (a))

                                    By Source

                                     Biomass        Fuel
                       Wood (b)     Waste (c)    Ethanol (d)

1973 Total                  143          (s)             NA
1975 Total                  140          (s)             NA
1980 Total                  232          (s)             NA
1985 Total                  252           14              3
1990 Total                  208           24              4
1995 Total                  222           30              8
1996 Total                  229           32              6
1997 Total                  222           30              7
1998 Total                  205           30              8
1999 Total                  208           29              8
2000 Total                  212           27              9
2001 Total                  188           33             10
2002 Total                  187           36             12
2003 Total                  188           36             16
2004 Total                  199           35             20
2005 Total                  200           37             23
2006 Total                  197           36             31
2007 Total                  196           37             39
2008 Total                  193           39             55
2009 Total                  181           41             62
2010 Total                  186           42             73
2011 Total                  189           42             73

2012 January                 16            3              6
     February                15            3              6
     March                   16            4              6
     April                   15            3              6
     May                     16            3              6
     June                    15            3              6
     July                    16            4              6
     August                  16            4              7
     September               16            3              6
     October                 16            4              6
     November                16            4              6
     December                16            4              6
     Total                  189           42             73

2013 January                 17            4              6
     February                15            3              5
     March                   17            4              6
     April                   16            3              6
     May                     16            4              7
     June                    17            4              6
     July                    18            4              6
     August                  17            4              6
     September               16            3              6
     October                 17            4              6
     November                17            4              6
     December                18            4              6
     Total                  201           43             75

2014 January                 17            4              6
     February                16            3              6
     March                   17            4              6
     April                   16            3              6
     4-Month Total           66           14             24

2013 4-Month Total           65           14             24
2012 4-Month Total           62           14             24

                                By Source

                          Biodiesel      Total

1973 Total                      NA        143
1975 Total                      NA        141
1980 Total                      NA        232
1985 Total                      NA        270
1990 Total                      NA        237
1995 Total                      NA        260
1996 Total                      NA        266
1997 Total                      NA        259
1998 Total                      NA        242
1999 Total                      NA        245
2000 Total                      NA        248
2001 Total                     (s)        231
2002 Total                     (s)        235
2003 Total                     (s)        240
2004 Total                     (s)        255
2005 Total                       1        261
2006 Total                       2        266
2007 Total                       3        276
2008 Total                       3        290
2009 Total                       3        287
2010 Total                       2        303
2011 Total                       8        312

2012 January                   (s)         26
     February                    1         25
     March                       1         26
     April                       1         25
     May                         1         26
     June                        1         26
     July                        1         27
     August                      1         27
     September                   1         26
     October                     1         26
     November                    1         26
     December                  (s)         27
     Total                       8        312

2013 January                     1         27
     February                    1         25
     March                       1         28
     April                       1         26
     May                         1         28
     June                        1         28
     July                        1         29
     August                      1         28
     September                   1         27
     October                     2         28
     November                    1         28
     December                    2         29
     Total                      13        331

2014 January                     1         28
     February                    1         25
     March                       1         28
     April                       1         27
     4-Month Total               4        108

2013 4-Month Total               3        106
2012 4-Month Total               3        102

                                      By Sector

                      Residential   Commercial (e)   Industrial (f)

1973 Total                    33                1              109
1975 Total                    40                1              100
1980 Total                    80                2              150
1985 Total                    95                2              168
1990 Total                    54                8              147
1995 Total                    49                9              166
1996 Total                    51               10              170
1997 Total                    40               10              172
1998 Total                    36                9              160
1999 Total                    37                9              161
2000 Total                    39                9              161
2001 Total                    35                9              147
2002 Total                    36                9              144
2003 Total                    38                9              141
2004 Total                    38               10              151
2005 Total                    40               10              150
2006 Total                    36                9              151
2007 Total                    39                9              146
2008 Total                    44               10              139
2009 Total                    47               10              125
2010 Total                    41               10              136
2011 Total                    42               11              139

2012 January                   3                1               12
     February                  3                1               11
     March                     3                1               12
     April                     3                1               11
     May                       3                1               12
     June                      3                1               11
     July                      3                1               12
     August                    3                1               12
     September                 3                1               12
     October                   3                1               12
     November                  3                1               12
     December                  3                1               12
     Total                    39               10              141

2013 January                   5                1               12
     February                  4                1               11
     March                     5                1               11
     April                     4                1               11
     May                       5                1               11
     June                      4                1               11
     July                      5                1               12
     August                    5                1               12
     September                 4                1               11
     October                   5                1               11
     November                  4                1               11
     December                  5                1               12
     Total                    54               11              137

2014 January                   5                1               11
     February                  4                1               10
     March                     5                1               11
     April                     4                1               11
     4-Month Total            18                4               44

2013 4-Month Total            18                4               45
2012 4-Month Total            13                3               46

                                       By Sector
                                          Electric
                                           Powers
                        Transportation       (g)      Total

1973 Total                         NA         (s)      143
1975 Total                         NA         (s)      141
1980 Total                         NA         (s)      232
1985 Total                          3           1      270
1990 Total                          4          23      237
1995 Total                          8          28      260
1996 Total                          6          30      266
1997 Total                          7          30      259
1998 Total                          8          30      242
1999 Total                          8          30      245
2000 Total                          9          29      248
2001 Total                         10          31      231
2002 Total                         12          35      235
2003 Total                         16          37      240
2004 Total                         20          36      255
2005 Total                         23          37      261
2006 Total                         33          38      266
2007 Total                         41          39      276
2008 Total                         57          40      290
2009 Total                         64          41      287
2010 Total                         74          42      303
2011 Total                         80          40      312

2012 January                        6           4       26
     February                       6           3       25
     March                          7           3       26
     April                          7           3       25
     May                            7           3       26
     June                           7           3       26
     July                           7           4       27
     August                         7           4       27
     September                      6           3       26
     October                        7           3       26
     November                       6           3       26
     December                       6           4       27
     Total                         80          42      312

2013 January                        6           4       27
     February                       6           3       25
     March                          7           4       28
     April                          7           3       26
     May                            7           3       28
     June                           7           4       28
     July                           7           4       29
     August                         7           4       28
     September                      7           4       27
     October                        8           4       28
     November                       7           4       28
     December                       8           4       29
     Total                         86          43      331

2014 January                        7           4       28
     February                       7           4       25
     March                          7           4       28
     April                          7           4       27
     4-Month Total                 27          15      108

2013 4-Month Total                 26          13      106
2012 4-Month Total                 26          13      102

(a) Metric tons of carbon dioxide can be converted to metric tons
of carbon equivalent by multiplying by 12/44.

(b) Wood and wood-derived fuels.

(c) Municipal solid waste from biogenic sources, landfill gas,
sludge waste, agricultural byproducts, and other biomass.

(d) Fuel ethanol minus denaturant.

(e) Commercial sector, including commercial combined-heat-and-power
(CHP) and commercial electricity-only plants.

(f) Industrial sector, including industrial combined-heat-and-power
(CHP) and industrial electricity-only plants.

(g) The electric power sector comprises electricity-only and
combined-heat-and-power (CHP) plants within the NAICS 22 category
whose primary business is to sell electricity, or electricity and
heat, to the public.

NA=Not available. (s)=Less than 0.5 million metric tons.

Notes: * Carbon dioxide emissions from biomass energy consumption
are excluded from the energy-related carbon dioxide emissions
reported in Tables 12.1-12.6. See Note 2, "Accounting for Carbon
Dioxide Emissions From Biomass Energy Combustion," at end of
section. * Data are estimates. See "Section 12 Methodology and
Sources" at end of section. * See "Carbon Dioxide" in Glossary. *
See Note 1, "Emissions of Carbon Dioxide and Other Greenhouse
Gases," at end of section. * Totals may not equal sum of components
due to independent rounding. * Geographic coverage is the 50 states
and the District of Columbia.

Web Page: See
http://www.eia.gov/totalenergy/data/monthly/#environment (Excel and
CSV files) for all available annual and monthly data beginning
in 1973.

Sources: See end of section.
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Date:Jul 1, 2014
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