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FuturePundit.com - Is Corn Ethanol A Good Energy Source?

Thermodynamics of the Corn-Ethanol Biofuel Cycle  Tad W. Patzek, Department of Civil and Environmental Engineering, University of California, Berkeley

How far can you drive on a bushel of corn? Crunching the numbers on alternative fuels. Popular Mechanics  May, 2006 issue

Robert Rapier, "Ethanol Investing: Counterpoint ", Financial Sense " June 23, 2006

Digging into the Ethanol Debate  Wall Street Journal Online, June 9, 2006. Summary of the production efficiency debate, with references.

Biofuels: Think Outside The Barrel —Google talk on etanol by Vinod Khosla, a Silicon Valley billionaire (requires media player)

The Andersons Agriculture & Ethanol Company