Biofuel in the United States
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The United States used biofuel in the beginning of the 20st century. For example, models of Ford T ran with ethanol fuel. Then the interest in biofuels declined till the first and second oil shock (1973 and 1979).
Nowadays; the United States produce mainly biodiesel (the largest user is the US army) and also ethanol fuel which is mainly made from corn. As of 2005, the United States is largest producer of ethanol with 16 billion liters/year while Brazil produced nearly the same amount (15.5 billion liters). Biofuels are mainly used mixed with fossil fuel. They are also used as additives.
The Departement of Energy established the National Renewable Energy Laboratory in 1974 and started to work in 1977. The NREL publish papers on biofuels. Congress also voted the Energy Policy Act in 1994 and a newer in 2005 to promote renewable fuels. Morevover, in January 2006, president George Bush told in his State of Union speech that he wanted that 75% of fuels coming from the Middle East be replaced by 2025
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