| In the U.S., gas is the short form of gasoline, while in | | | | be used for ground vehicles. Vehicles involved in racing |
| many Commonwealth countries, it is known as petrol. | | | | use specially formulated racing gasoline that has very |
| Gas is a petroleum-derived liquid mixture that consists | | | | low levels of benzene and an anti-knock index of at |
| of hydrocarbons and is used as a fuel in internal | | | | least 100. Gasoline used for scientific research has |
| combustion engines.There are different types of | | | | unusual properties, which depend on the nature of the |
| gasoline in the fuel industry. Small aircrafts use specially | | | | research. Cars with gasoline engines use E85 gasoline |
| formulated, high-octane aviation gasoline, which cannot | | | | that is a blend of 85% fuel ethanol and 15% gasoline. |