Once rich people figure out how to profit off saving the earth, it will probably happen.
"Sugar cane ethanol from Brazil is NOT a realistic target or a comparable model for USA ethanol from corn. It is very easy to replace all gasoline when you would only need 8 billion gallons per year and you have a generous plant that thrives rain-fed under tropical conditions, occupying less than 1% of a country's arable land, to produce alcohol to replace 50% of all that gasoline. However, this cannot be extrapolated for USA's conditions, neither for corn, not even for sugar cane in Southern states. So, realistically, let's understand that sugar cane ethanol in Brazil is mangoes and corn ethanol in USA is apples."
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