Audi shows off the 2012 A8 Hybrid. [MotorAuthority] Aston Martin reveals the 2012 V12 Vantage GT3 race car. [MotorAuthority] Volkswagen is working on a seven-seat SUV. [TheCarConnection] Can you believe 5.2 million electric vehicles will be on the road by 2017? [GreenCarReports] Steven McQueen's...