Today we often hear discussed the potential energy content and ability of alcohol to lessen our dependence on gasoline as a motor fuel. The alcohol in question is ethyl alcohol, a colorless, volatile, flammable liquid that is derived from growing plants, or the parts of growing plants, that are relatively high in carbohydrate content.
Turner, George M., "Energy in Agriculture: Energy Resource Series for Youth and Adult Energy Programs: 12. Alcohol" (1981). Agricultural Engineering Energy Series. 7.