| − | '''Ethanol''' is [[biofuel]] made from [[alcohol]] and is an [[oxygenate]] that is added to [[gasoline]] to increase the [[octane]] rating. The product is produced through the [[fermentation]] of [[corn]], or other cellulosic material. | + | '''Ethanol''', also known as [[grain alcohol]] is a flammable [[chemical compound]] with a strong [[odor]], and is the [[alcohol]] found in [[alcoholic beverage]]s. In common usage, it is often referred to simply as ''alcohol''. The chemical formula is variously represented as EtOH, CH<sub>3</sub>CH<sub>2</sub>OH, C<sub>2</sub>H<sub>5</sub>OH. |