The era of environmentally friendly cars faster. One proof of this, car manufacturers Audi recently showed plug-in hybrid version of the Audi A6 which they named the Audi A6 L e-tron Concept! They show 2012 Audi A6 L e-tron Hybrid Concept at the Beijing Auto Show which opened today. Armed with a plug-in hybrid technology, long wheel base version of the car is charming Chinese public. It�s nothing, because the conventional version of the Audi A6 sedan only counted as a popular car in the land of the bamboo curtain.
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