Nascar star Tony Stewart struck and killed a sprint car driver who had climbed from his vehicle and was on the track during a race in New York state.

Formula One supremo Bernie Ecclestone has welcomed the return of the United States to the sport’s calendar.

Formula One supremo Bernie Ecclestone’s financial demands are being blamed for putting the future of the United States Grand Prix at risk.

Former Indy Racing League champion Tony Kanaan will get his first taste of Formula One when he tests for BAR-Honda next week.