Form of motor racing in which two contestants race side by side from a standing start over a straight quarter-mile strip of pavement. Winners go on to compete against others in their class until only one is left undefeated. There are three main classes of vehicle: (1) the Top Fuel Eliminator (called a rail or slingshot), a lightweight, long-chassied vehicle with wide rear tires that is fueled by a special mixture, such as methanol and nitromethane; (2) the funny car, a high-performance copy of a late-model production car that uses special fuel; and (3) the standard production car, a modified version of a gasoline-powered production car. The Top Fuel class is the fastest, followed by the funny car. Drag racing is most popular in the U.S.
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