Although it retired early due to mechanical issues, the car demonstrated its racing potential. However, GM’s subsequent withdrawal from factory-supported racing left the vehicle as a unique ...

It was last summer that NASCAR unveiled a prototype electric race car with a crossover-like body, as a means to demonstrate the series' commitment to reducing emissions. On Thursday, Chevrolet ...

Roger Penske's prototype Porsche has swept historic races at Daytona and Sebring to begin the year. A Porsche, and Mercedes, ...

Meet the 2011 Aston Martin AMR-One race car: the new prototype race car designed for the Le Mans LMP1-spec class, with snazzy Gulf livery, a (very British) 007 racing number, and a 2.0-liter ...

Justin Allgaier, who will continue to attempt working his way into the Daytona 500 starting field as he pilots the No. 40 JR Motorsports Chevrolet in Thursday's NASCAR Cup Series Duel Qualifiers ...