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Old 10-03-2013, 06:30 PM   #184 (permalink)
IamIan
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Quote:
Originally Posted by Miller88 View Post
Doesn't it use more than a gallon of fossil fuel to produce a gallon of ethanol.
Although I read that same line being repeated over and over ... I don't see it lining up.

Sure there are different ways to produce ethanol... and they all are not the same.

Just a quick look at references on wikipedia lists:

US ---Corn Based = 30% more Ethanol Energy out than the sum of fossil fuel energy used to produce it.

Brazil --- SugarCane Based = 700% more ethanol energy out than the sum of fossil fuel energy used to produce it.

Various types of cellulosic ethonal production range from 100% more output to 3,500% more output , than the sum of fossil fuel used to produce it.
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