Corn Ethanol Bio Fuel... Corn ethanol bio fuel is considered as a first-generation fuel alternative in the United States. It is the most common type of bio fuel that is developed in the US, among others such as sugar cane and animal waste. Corn ethanol is a product made from corn that goes through fermentation, chemical processing and distillation. Corn ethanol is produced by two processing methods being the dry and wet corn milling. Both uses...