The provinces that use ethanol gasoline include three northeastern provinces, Henan, Anhui, Hebei, some cities in Hubei, northern Jiangsu and southwestern Shandong. Ethanol gasoline is a new alternative energy source, which is a mixture of fuel ethanol processed from grains and various plant fibers and ordinary gasoline in a certain proportion. According to the national standard, ethanol gasoline is a mixture of 90% ordinary gasoline and 10% fuel ethanol.