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.