Audi reveals the R8 e-tron at the 2015 Geneva Motor Show (Photo: CC Weiss ... - Gizmag

Audi followed its 2009 show car with a thoroughly revised 2010 Detroit e-tron concept , and the e-tron designation quickly became Audi shorthand for concept cars with electric motors, most interesting of which was probably the e-tron Spyder from... That same year, Audi confirmed plans to develop a limited production R8-based e-tron sports car to see the road by late 2012. That launch never happened, and by 2013, word had changed to "Audi scraps the e-tron sports car because of its... Audi vowed to apply what it'd learned from its R8 e-tron development program toward its production line. It also worked the e-tron label into reality, both on the race track and in production form as the A3 e-tron plug-in hybrid. Last year, new reports suggested that Audi was back at it, working on a new R8 e-tron. Instead it was left fighting for the bottom of the announcement, beating a brief description of the new R8 LMS race car and fuel consumption footnotes while losing out to a description of the new production facility. Audi has addressed its range reservations with a T-shaped 92-kWh battery pack, a significant bump in onboard juice when compared with the 49-kWh battery of the original R8 e-tron development car. Audi says the. Source: www.gizmag.com