Mazda is getting serious about showing off the Skyactiv-D turbo-diesel four-cylinder engine in the Mazda6. The automaker has just announced it will campaign three diesel Mazda6 racers in the Grand-Am GX class of the upcoming 2013 Rolex 24 at Daytona in a quest to walk away with the company's 24th class win. Mazda partnered with SpeedSource to develop the race version of the new sedan, with Japanese and American engineers lending a helping hand where needed. Meanwhile, Freedom Autosport and Visit
The Lotus Evora has taken many forms as a race car over the past few years, starting in 2009 with the Type 124 Endurance Racer built for the FIA GT. Since then, Lotus has developed a GT4 Cup version designed for a one-make series, the Evora GTE that currently competes in the GT class of the ALMS and the recently introduced Evora GTC.