Ethanol, also known as grain alcohol or ethyl alcohol, is a clear and colorless liquid. Alcohols are a group of chemical compounds whose molecules contain a hydroxyl (OH) group. The chemical formla for ethanol is CH 3 CH 2 OH.
Ethanol fuel usually refers to a gasoline that contains ethyl alcohol. Ethanol is an alcohol, made from corn, grains, sugar and other common farm produce. Flex fuel and E85 is a gasoline containing 85% ethanol. E10 contains 10% or less ethanol.