Right on schedule, Audi has pulled the sheets off its next-generation Le Mans prototype. The company hasn't worked with a clamshell since 1999, and we're guessing is has more than a little to do with Peugeot's 2009 Le Mans win. Audi used a single-piece construction carbon fiber monocoque to keep weight down and increase stiffness, and those epic all-LED headlights are the first make their way to