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Mazda is back in the TUDOR United SportsCar Series with a race car powered by a diesel engine. At this weekend’s Rolex 24 at Daytona, Mazda’s two SKYACTIV Prototype cars will have the only diesel powerplants in the season-opening TUDOR United SportsCar Series race. The inline four-cylinder 2.2-liter Mazda engine continues into 2015 with its […]

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Mazda’s SKYACTIV Diesel engine found under the hood of Mazda6 race cars in 2013 will now be found in a pair of 2014 TUDOR United SportsCar Championship prototypes. Mazda Motorsports said it will field a pair of factory-backed SKYACTIV Technology-powered prototypes. Behind the wheel will be the four drivers who delivered nine race wins and […]

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