If producing energy using

Submitted by Guest (not verified) on Thu, 2006-08-17 15:22.

If producing energy using crop material is so devastating to food supply, how is Brazil making ethanol work for them?
My understanding is that Brazil is currently fulfilling 80% of it's transportation energy needs via ethanol. Obviously, I understand that Brazil is no where near the size of the US, however, they appear to be maing the equation work.
ANy corrections/comments?

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Please solve the math problem above and type in the result. e.g. for 1+1, type 2
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