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One of its most innovative features two steering wheel-mounted paddle shifters which control the intensiveness of regenerative braking. The E-tron is custom-fit with an electric motor and a pair of lithium-ion battery packs, which allows for 134 horsepower and 199 pound-feet of torque. The batteries themselves hold 26.5 kilowatt-hours of energy. Its driver may choose from one of several driving modes (Efficient, Normal, or Sport.) It also features a roomy interior and big, clean graphics on its exterior. Currently, this vehicle is a prototype and only a dozen or so are being driven within Audi throughout North America. Audi is planning to introduce the third-generation A3 to the States in 2014.