All petrol and diesel which is sold at UK pumps now has to include at least 2.5% biofuels.
These renewable fuels, made from crops such as sugar cane or maize, have been added to fuel sold around the country.
This target will rise to 5% by 2010. The moves is aimed at making transport fuels more environmentally friendly and will not change how cars work.
BBC NEWS | UK | Petrol must now include biofuels
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