2010 Detroit Auto Show: Audi Unveils New E-Tron Concept, Live Gallery

03/18/2010 05:12 am ET | Updated Nov 17, 2011
  • High Gear Media High Gear Media

Audi's e-tron electric supercar concept has already been through two iterations--or, rather, one. With two different-colored R8-styled show cars, Audi hit the Frankfurt and Los Angeles Auto Shows hard. Now they've brought a third color and a new more cab-rearward layout to the car. With

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