Corn Ethanol: Growing Food, Feed, Fiber ... and Fuel?
Corn ethanol is being used more and more as a fuel, but important debates over feed crops, food prices and the fuel efficiency of various biofuels may limit its future use.
Originally published in 2007, “Food Fight” is Daniel Imhoff's highly acclaimed primer on the complex issues contained within the Farm Bill. Now in a newly updated and expanded edition, Imhoff looks ahead at this important issue, as the debate for 2012 is already underway.
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A 1.1 mpg increase in passenger vehicle fuel efficiency would save as many gallons of oil as all the ethanol produced today.
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Ethanol can be made from feed crops such as corn, or cellulosic sources such as grasses, leftover corn stalks, and other woody materials with no food value. Today, most corn ethanol is produced in dry grind factories, which consume less energy than earlier generation wet mill plants. The corn is dried, milled, and then fermented and later distilled into ethanol.
The United States has the largest global land area planted in biotechnology varieties, followed by Brazil and Argentina.
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