Corn ethanol goes from being a hero to a scapegoat
How is it that the ethanol industry went from joke to hero to goat in less than three years?
There are at least three things at work.
One is that corn-based ethanol is not, and never has been, an efficient fuel.
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There has always been a question of whether the production of ethanol consumes as much, or more, energy than it delivers as a motor fuel.
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There are also water and food issues.
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