Oil price increases have not shrunk the human food supply, but biofuel production has. The more biofuels we produce, the less food we have to eat, because we grow biofuel crops, even switchgrass, using the same land, water, fertilizer, farm equipment, and labor we use to grow food. Biofuel production accelerates global warming, creates water shortages, and erodes topsoil. A new study says biofuels from cellulose sources, such as switchgrass, wood chips, crop waste, etc., will never be cost effective.
See biofuel facts at - http://home.att.net/~meditation/bio-fuel-hoax.html
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