Having reportedthe Audi R8 e-tron project had been put on hold indefinitely, it wassubsequently rumored the German automaker was considering a very limited run ofcars. These latest spy shots of a prototype model undergoing winter testing addweight to that rumor. On the other hand, Audi could simply be testing itselectric technology for use in another car. Whilesharing most of the R8’s styling and looks, the powerplant makes way for fourelectric motors. These combine to produce 308 hp and an incredible 3,319 pound-feet of torque.