A1 Grand Prix A1 Grand Prix A1 Grand Prix (A1GP) was a 'single make' open wheel auto racing series that ran from 2005 until 2009. It was unique in its field in that competitors solely represented their nation as opposed to themselves or a team, the usual format in most formula racing series. As such, it was often promoted as the "World Cup of Motorsport". The series was ratified by the Fédération Internationale de l'Automobile (FIA) and races were held in the traditional Formula One off-season, the northern hemisphere winter. The nation-based A1GP concept was founded by Sheikh Maktoum Hasher Maktoum Al Maktoum
Auto racing single seater formulae, such as Formula Renault and Formula BMW, usually as "feeder" series for "senior" race formula (in the fashion of farm teams). In North America, stock car racing is the most popular form of auto racing. Primarily raced on oval tracks, stock cars vaguely resemble production cars, but are in fact purpose-built racing machines that are built to tight specifications and, together with touring cars, also called Silhouette racing cars. The largest stock car racing governing body is NASCAR (National Association for Stock Car Auto Racing). NASCAR's premier series is the Monster Energy Cup Series, its most famous