The moral of this story is never trust a carmaker that says a project has been cancelled. The same source that revealed the all-electric Audi R8 e-tron had been cancelled now claims the carmaker has decided against aborting production of the zero-emissions supercar and will in fact put it into limited run production. The move comes as part of new R&D chief Ulrich Hackenberg's raft of sweeping changes for the carmaker.

The main reason the project is back on, however, is a result of recent advances made in lithium-ion battery technology. Reports suggest the R8 e-tron's range has jumped from 134 to almost 250 miles. After entering production in late 2014, the rear-wheel-drive electric two-seater will act as a halo model for other more affordable Audi EVs. Expect styling shared with the second-gen R8, due out next year, and similar performance to the earlier R8 e-tron, which was capable of going from 0-62 mph in 4.2 seconds en route to an electronically-limited top speed of 124 mph.