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R8 e-tron electric supercar will be built, Audi says

The Audi R8 e-tron is back on: Audi has backtracked on an earlier decision to cancel production of the zero-emission supercar and will now push ahead with small-scale production two-seater, Autoweek can confirm. The decision is part of a number of sweeping changes made to Audi's research and engineering operations since the arrival of its new head, Ulrich Hackenberg. Citing recent advances in lithium-ion battery technology that has reportedly increased its range from an original 134 miles to close to 250 miles, high-ranking insiders at Audi's headquarters in Germany suggest the R8 e-tron will now go into limited production during the latter half of 2014.

McLaren Automotive officially launches as the MP4-12C speeds toward production

McLaren Automotive laid out its ambitious plans to become a competitive player in the high-performance car market on Thursday and wants to build up to 4,000 top-shelf sports car annually by the middle of the decade. The company held a grand opening at its base in Woking, England, to celebrate the progress and officially unveil the MP4-12C as it moves toward production. The estimated 592-hp supercar is expected to be exceptionally light and aerodynamic as the company takes aim at the best of Ferrari and Lamborghini.

2014 Porsche Panamera Turbo S facelift revealed

The 2014 Porsche Panamera Turbo S (pictured) debuts in Tokyo next month. It’s six months since Porsche revealed a facelift for the Panamera and now, ahead of its debut at the Tokyo Motor SHow, we get the final piece of the Panamera range’s updates – the 2014 Porsche Panamera Turbo S. The cosmetic updates for the Panamera Turbo S are similar to those across the rest of the range, with small tweaks to the nose and front lights and bigger changes to the back with a bigger rear window and various tweaks to make the dog-humping back end of the Panamera a little more appealing.