Jet fuel is an industrial product used in the aviation industry. It is a specialized type of petroleum-based fuel designed for use in aircraft engines and is highly combustible. Jet fuel is composed of a variety of hydrocarbons and contains additives to reduce the risk of fuel-system icing. It is colorless to straw-colored in appearance and has a higher flash point than gasoline. Jet fuel is also used in other industries such as the military and commercial shipping.