The Detroit Belle Isle Grand Prix has been canceled because of economic problems in Michigan and the country, the latest setback in the sport rocked by sponsorship woes and a series of cutbacks and layoffs.

NASCAR has settled a $225 million lawsuit filed by a former official who said she was subjected to racial discrimination and sexual harassment during her two-plus years working for the stock car organization, the Associated Press has learned.

It's taken the Iowa Speedway just three years to position itself as a leading track in the Midwest.

NASCAR will test drivers for performance-enhancing drugs next month under a tougher policy that also bans using illegal drugs and abusing prescription medications.

A 19th-place finish for Brian Vickers in '08? Not bad for a Red Bull Racing team in its second year. Vickers will continue to rise, but it will be a steep learning curve for rookie Scott Speed, Pete Pistone says.

Gillett Evernham Motorsports will lay off about 65 employees in several departments as part of scaling back its Nationwide Series program next season.

Matt Kenseth will have a new crew chief in 2009, as Drew Blickensderfer will try to return the 2003 NASCAR champion to Victory Lane.

McLaren agreed to a sponsorship deal with computer firm Lenovo for 2009 on Wednesday.

Ford will not follow Japanese automakers Subaru and Suzuki out of the World Rally Championship, the U.S. car company said Wednesday.

Lewis Hamilton believes cost-cutting changes will make it 'very tough' for him to repeat as Formula One champion next year.

Robby Gordon will switch to Toyota in 2009, his fourth manufacturer change in four years.

Subaru has announced it will not contest the 2009 FIA World Rally championship due to the pressures of the global economic crisis, a day after fellow Japanese auto-maker Suzuki pulled out of the competition.

Dropping to a two-car team wasn't in Michael Waltrip's plans for his team, but there are other reasons to be optimistic at MWR. David Reutimann is primed for a big year while his boss looks to keep up the team's improvement, Pete Pistone says.

Japanese automaker Suzuki Motor Corporation has pulled out of next year's FIA World Rally Championship citing a drop in sales due to the global financial crisis.

Indy Racing League chassis-builder Dallara is cutting the costs of spare parts it will charge teams during the 2009 IndyCar season.

Two-time Indianapolis 500 winner Al Unser Jr. is listed as an extortion victim in a grand jury indictment against the suspected head of an Albuquerque prostitution ring.