NASCAR introduced homologation rules, which required manufacturers to sell 500 to 1,000 units of a model to make it eligible for racing. Today, "stock cars" are purpose-built racing machines that ...

Today, NASCAR uses Sunoco Green E15 in all its cars. The 98-octane unleaded fuel blend is specifically designed for race cars and high-performance vehicles, containing 15% American-made corn-based ...

All combined, cars like the 9X8, the V-Series.R, and the Valkyrie make modern sports car racing a must-watch for any enthusiast. All high-level auto racing features incredibly quick, highly ...

As part of the IMS Museum's largest acquisition in 14 years, it has purchased 14 cars from Chip Ganassi Racing. News Sports Indy 500 Things To Do Opinion Advertise Obituaries eNewspaper Legals.