Audi is serious about EVs. Over the last four months, the four-ringed automaker has put out three (well, really 2.5) electric vehicle concepts: the first e-tron in Frankfurt, a repainted, slightly modified version in LA, and now this, the third e-tron – easily the best iteration to date. Slightly... 

Those with a passion for torque were disappointed when it became clear that Audi was unlikely to ever build a production version of the R8 V12 TDI that was shown at the 2008 Detroit Auto Show. Now the automaker has come back with a new R8-based concept that puts the diesel to shame. The new e-tron packs...