Audi Turns A3 Sedan Concept into e-tron Study with a Plug-in Hybrid Powertrain

Audi has been trying to show off its green credentials for quite some time now with a variety of plug-in hybrid and pure electric concepts, all sporting the e-tron nameplate, such as the 2009 e-tron Concept Coupe, the 2010 A1 e-tron, and more recently, the e-tron Spyder. Now, the brand with the four rings has prepared a new e-tron study, this time based on the A3 sedan concept shown at the Geneva