Rumor: Audi R8 electric concept coming to Frankfurt in Sept.
At the 2009 Frankfurt Motor Show, Audi will unveil a concept version of its upcoming Q3 crossover and the drop-top version of its R8 supercar. According to Auto Motor und Sport , Audi is also planning an electric concept version, or ‘e-version,’ of the R8 supercar. No word yet on whether the car will carry [...]

