70 percent of the grain grown in the US goes to feed livestock.
70 percent.
Far less goes to biofuels. Biofuels are only a minor cause of increased food prices, and decreased supplies. The main reasons are worldwide drought (likely because of global warming) and that a lot more people are getting wealthy and eating meat.
I'll grant you that making ethanol from corn is a dubious idea. I see it as a bridge to ethanol from things like sawgrass, which grows in conditions unsuitable for growing food. Bad land, little water.
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