There's a lot of news out there these days about autonomous cars.
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German automaker Audi uses a touchpad control as well as the standard knob for its vehicles' infotainment systems, a unique selling point.
The 2012 Audi R8 is the automaker's supercar, and the R8 GT Spyder is a limited edition enhanced version of this already impressive car.
Much as BMW has its M division and Mercedes-Benz can turn to AMG when they want to make fast cars, Audi relies on its own in-house tuner, Quattro GmbH.