Policy Documents

The Energy Balance of Corn Ethanol: An Update

Hosein Shapouri, James A. Duffield, and Michael Wang –
July 1, 2002

Ethanol production in the United States grew from just a few million gallons in the mid-1970s to over over 1.7 billion gallons in 2001.  National energy security concerns, new Federal gasoline standards, and Government incentives have been the primary stimuli for this growth (Lee).