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To: elmatador who wrote (439)	9/13/2005 8:46:00 PM
From: Elroy Jetson	Read Replies (1) of 219600

Corn doesn't use a larger amount of fossil fuel, than sugar cane, to plant and harvest. The higher energy surplus generated by sugar cane relative to corn is due higher ethanol yield from sugar cane. Corn starches must first be converted into sugar, which reduces the efficiency, and even then the total amount of sugar is less. In the U.S. sugar beets would provide a a higher energy efficiency than corn. Large additional gains will be obtained with enzymes to convert cellulose to sugar. The amount of petrochemical based fertilizers used can radically change an energy surplus to an energy negative. Corn fed production of ethanol is little more than a massive U.S. government farm subsidy program. earth-policy.org .

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