2003-2004 Mustang Cobra Aluminum Flywheel on 2040-parts.com

Alfa Romeo 4C convertible likely for 2015

Conventional wisdom holds that if you want to take on Porsche's 911, you need a convertible variant. And although Alfa Romeo's often marched to the beat of a wonderfully idiosyncratic drummer, it sounds as if it's hewing to general sporting-car rules of thumb with the 4C. According to a report in Britain's Autocar, sources have confirmed that a 4C convertible will follow the launch of the coupe by about a year.

Concept Car of the Week: AMC AMX/2 (1969)

Like Detroit's Big Three, AMC rapidly understood the importance of the youth market after the success of the Ford Mustang. In the late 60s, the design team produced a series of "Think Young" concept cars to reach the younger audience as well as exciting new showroom offerings like the Mustang-inspired Javelin, the two-seater AMX and the Rambler. Presented at the 1969 Chicago auto show, the second opus of the American Motors Experimental series, the AMX/2 was not just AMC's most daring concept car ever, but one of Detroit's first acknowledgments that the future of high-performance sports cars would be mid-engined.

Electric-car guru Tom Gage steps down from AC Propulsion

Electric-car innovator Tom Gage resigned the morning of Oct. 5 from California company AC Propulsion, Autoweek has learned. Gage, the now-former CEO, joined the company in 1996, several years after its founding, and has become its public face and a widely used resource on electric cars.