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GENERAL MOTORS' APVs EQUIPPED WITH 3800 ENGINE CERTIFIED AT REDUCED EMISSIONS LEVELS

 GENERAL MOTORS' APVs EQUIPPED WITH 3800 ENGINE
 CERTIFIED AT REDUCED EMISSIONS LEVELS
 PONTIAC, Mich., June 30 /PRNewswire/ -- General Motors (NYSE: GM) received certification from the California Air Resources Board (CARB) that the 1993 3800 V6 engine installed in GM APVs meets transitional low-emission vehicle (TLEV) standards for reduced exhaust emissions. GM APVs include the Pontiac Trans Sport, Oldsmobile Silhouette and Chevrolet Lumina APV. The 3800 V6 engine test procedure which received CARB TLEV certification included the use of California phase II reformulated gasoline.
 "We're pleased that the 3800 V6 engine in the APV has certified at such low levels. The fact that we were able to complete the certification in advance of legal requirements is, of course, an added environmental bonus," said Don Miles, chief engineer for the 3300 and 3800 engines at GM Powertrain Division. "We can't lose sight of the fact that this is only one of numerous GM engines, and that there is much, much more work to do to take other engines to these low levels. TLEV is only the first of increasingly tough standards that we are being asked to meet."
 The 1993 3800 engine as installed in GM APVs is the largest displacement gasoline engine certified by CARB at TLEV levels to date. The 3800 engine was certified at 0.123 grams/mile non-methane-based organic gases (NMOG), well under the 1994 CARB TLEV requirement for truck emission control at 100,000 miles.
 The 3800 V6 engine is a 3.8-liters displacement engine equipped with sequential-port fuel injection, a digital exhaust recirculation valve, heated oxygen sensor, three-way catalytic converter and other precision engine control systems and hardware which all contribute to the engine's low-emission levels. "We employ some of the best engine control hardware in the industry on the 3800 V6, but the other piece of the emissions equation is the fuel. We need reformulated fuels in order to make these strides in improving vehicle emissions," Miles said.
 The popular 3800 V6 engine is installed in many of GM's passenger cars including the Buick Park Avenue, Regal and LeSabre, Oldsmobile Regency and Eighty Eight and Pontiac Bonneville models. The 3800 V6 engine in GM passenger car models has not been certified at the same low-emission levels. "We still have some more work to complete before we can ask CARB to certify our 3800 V6 passenger car models to the TLEV standard," Miles said.
 "The 3800 engine is a great example of how our General Motors engines have improved in all areas. The 3800 V6 has great fuel economy, low emissions and excellent driveability -- all requirements for today's customer," Miles said. "We will continue to work cooperatively with CARB to ensure that we are getting the best improvements in air quality for our investment in research, hardware and test equipment. The customer should get value in all areas of our business."
 -0- 6/30/92
 /CONTACT: Kristin Bridges of GM Powertrain Division, 313-857-4037/
 (GM) CO: General Motors; GM Powertrain Division ST: Michigan IN: AUT SU:


JG -- DE010 -- 5091 06/30/92 10:26 EDT
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Publication:PR Newswire
Date:Jun 30, 1992
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