Audi has unveiled its latest e-tron concept, the Audi A3 e-tron, at the Shanghai Auto Show this week. Carrying over much of the earlier A3 Sedan concept’s styling, the new A3 e-tron continues Audi’s plug-in vehicle line-up that started with the Audi e-tron unveiled at 2009 Frankfurt Show, than the smaller e-tron concept in Detroit […]