Cars to run on chip fat roads.OLD chip fat can be recycled as a replacement for bitumen bitumen (bĭty  `mən) a generic term referring to flammable, brown or black mixtures of tarlike hydrocarbons, derived naturally or by distillation from petroleum. , so
cutting the carbon footprint A carbon footprint is the total amount of carbon dioxide (CO2) and other greenhouse gases emitted over the full life cycle of a product or service. of the road building industry, a company
claims.
Aggregate Industries said it had developed a way of using old vegetable oil instead of bitumen. The development will help the environment, as 1.25m tonnes of bitumen, which is made up of crude oil, is used every year for road building, the firm said. The Leicesterbased company made the discovery during testing at its plant in Newark, Nottinghamshire. It now wants to patent the invention before using the newlydeveloped asphalt across the country. |
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