Racing fuel

Racing fuel can refer to many different common fuels used in motorsports:
 * Leaded gasoline, formerly used by the NASCAR series and other motorsports
 * Use of leaded gasoline in NASCAR
 * Nitromethane and methanol fuel, used by Top Fuel drag racing
 * Methanol fuel, formerly used in some open-wheel race cars, like IndyCar Series prior to 2007 and in Top Alcohol drag racing
 * Ethanol fuel, now being used in the IndyCar Series and NASCAR
 * Nitrous, used by drag racing vehicles to increase horsepower