Audi AG is set to launch its E-tron line with the R8-based sports car in 2012. Audi started displaying E-tron concepts with the EV sports car it launched at the 2009 Frankfurt Motor Show. That futuristic and sleek two-seater, which was derived from the R8 high-performance sports car, used four in-wheel motors to hit a 4.8 second 0-60 time. Frank Van Meel, the 44-year-old head of electromobility strategy at Audi, described
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