Tóm tắt nội dung: Ethanol is great. Ethanol is the best thing ever. Ethanol is the answer to the future, and it will liberate us from the Big Bad OPEC. Right? Nope. Currently the main feedstock in the United States for the production of ethanol is corn. Approximately 2.8 gallons of ethanol (10 liters) are produced from one bushel of corn (35 liters).