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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 move is aimed at making transport fuels more environmentally friendly and will not change how cars work.
He added: "Fertilizer is very expensive. Farmers don't have the money to put extra nitrogen on their fields. That would be wasteful and cut into their profits."
Originally posted by Gools
A picture is worth a thousand words.
Like diesel fuel, bio diesels combustibility is measured with a ?cetane? rating. Octane ratings are only for gasoline engines and there is no correlation between the two ratings. Bio diesel generally has a cetane rating of between 50-60 whereas diesel fuel generally has a cetane rating of between 40-50. Biodieselss higher cetane rating is due to its higher oxygen content and superior combustion properties.
Originally posted by freakyclown
As an owner of a "supercar" that relies on a high-octane fuel to be used in it, I would like to know the technical implications of this "addative".
Brazil's President Luiz Inacio Lula da Silva has rejected allegations that biofuels are responsible for the recent rise in global food prices.
He said food had become more expensive because people in developing countries were gaining greater access to it.