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Biofuels: Optimism and Concerns - Desert Research Institute

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Billion Gallons/Year<br />

2005<br />

Energy Act<br />

2007 Energy Act<br />

U.S. Renewable Fuels Production<br />

<strong>and</strong> Volume Requirements, bg/y<br />

36<br />

32<br />

Production Volumes<br />

Energy Act Requirements<br />

28<br />

24<br />

Cellulosic<br />

Ethanol<br />

20<br />

16<br />

Other Renewables<br />

Biodiesel<br />

12<br />

8<br />

4<br />

Ethanol<br />

Biodiesel<br />

Corn Ethanol<br />

Corn Ethanol<br />

0<br />

Year<br />

36 bg/y represents about 25% of current gasoline volume<br />

10

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