Mazda Leads the Rolex 24 (VIDEO)

Huge improvements in the Mazda SKYACTIV Diesel Prototypes, along with their rule efficiency, paid off at Daytona. It is certainly no secret that the Mazda SKYACTIV Diesel Prototypes run by SpeedSource Race Engineering have had their development difficulties. But speak with anyone within the team or Mazda Motorsports, and they were all clearly confident that the struggles and hard work were going to pay off. And, on Saturday afternoon, about two hours into the 53rd Rolex 24 at Daytona, the first round of the 2015 TUDOR United SportsCar Championship, the first payoff came.