Corn-based Ethanol

Hidden Costs of Corn-based Ethanol

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Sugar cane is up to three

Sugar cane is up to three times as efficient a source of ethanol, I hear.

Oh, and butanol makes more sense anyway.

There is also an ethanol

There is also an ethanol article in this month's Foreign Affairs. It has a slightly different angle, but worth the read.

http://www.foreignaffairs.org/20070501faessay86305/c-ford-runge-benjamin-senauer/how-biofuels-could-starve-the-poor.html