Cadillac Global Vice President Bob Ferguson introduces the 2014 Cadillac ELR, with Extended Range Electric Vehicle technology Tuesday, January 15, 2013 at the North American International Auto Show in Detroit, Michigan. The ELR features full driving range exceeding 300 miles (480 km), combining pure electric driving and an efficient, range-extending generator. ELR production begins in late 2013 with sales starting in early 2014. (Photo by John F. Martin for Cadillac)