Rajah Caruth preparing for NASCAR trucks series

Rajah Caruth knew for a long time he wanted to be a race car driver. Now at 20 years old, he’s preparing for his first full-time season in the trucks series, and he’s still a student at Winston-Salem State in North Carolina.

Acura, Shank, Helio sweep Rolex 24 as hybrid era begins

Acura dominated the debut of hybrid engines in North American sports car racing with a 1-2 finish Sunday at the Rolex 24 at Daytona, where Helio Castroneves and the automaker won the prestigious endurance race for a third consecutive year.

Hybrid engines holding up through first third of Rolex 24

New hybrid engine technology held up over the first seven hours of the Rolex 24 at Daytona, where a new era of sports car racing began as IMSA became the first North American series to use the technology.

NASCAR teams call revenue model 'broken,' warn of layoffs

The most powerful teams in NASCAR warned Friday that the venerable stock car racing series has a "broken" economic model that is unfair and has little to no chance of long-term stability, a stunning announcement that added to a growing list of woes.