Audi R8 is-Tron Electric Concept - World Premiere at IAA Frankfurt 2009

Update - the official photos ! Audi will be introduced at the Frankfurt Motor Show, a sports model, fully electric, now offering the first details on the type teaser site dedicated to it. Audi R8 Concept Electric was called E-Tron.

Update September 14:

Audi has dropped the official photos with new Internet-based electric concept R8, Audi called E-Tron concept. The vehicle has a slightly modified exterior design to the R8 production model, especially in the front.

September 3 Original text:
In addition to the Audi R8 Spyder, May German manufacturer prepares a surprise to fans at the Frankfurt Motor Show, which opens its doors on September 15. Audi today launched a website dedicated to a full electric mode with a countdown to the official opening of the salon in Frankfurt. From the first teaser posted on this site, it appears that Audi will unveil an electric version of the athlete Audi R8.

Audi, certainly in the coming days will reveal slowly electric concept will be presented in premiere at Frankfurt, and once we have information we will make public.

Source: http://www.audi.com/