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To: pheilman_ who wrote (71524)9/18/2004 4:09:29 PM
From: Ish  Respond to of 793931
 
<<ethanol derived from corn is either a source or a sink for energy. It is a source for VOC when used in gasahol and VOCs are the rate limiting part of smog. It increases pollution.>>

Alcohol is clean burning and causes 60% of the gasoline that wouldn't be burned in straight gas to be burned.

<<the issue is how much energy it takes to grow, harvest, transport, ferment, triple distill, and transport again. If this is more than the energy derived from burning the ethanol, >>

The energy used in growing and transporting a bushel of corn is static no matter if it's used for feed, cooking oil or ethanol. As for the distilling, I know some of the plants burn corn cobs or Illinois coal. That's no more foreign energy used than leaving it in a pile and letting it rot.