The Mazda6 SKYACTIV-D Clean Diesel Takes the Top Spot at Indy
After four decades of racing, Mazda has scored a victory that has eluded them for many years: a win at the Indianapolis Motor Speedway. The #70 SpeedSource Castrol Edge Mazda6 SKYACTIV-D Clean Diesel was the car that achieved this feat in the GX class, marking the first time that a diesel engine has won at…