Audi R15 "plus" TDI shows off new, more aerodynamic nose

Filed under: Motorsports , Technology , Audi 2010 Audi R15 plus - click above to enlarge Testing for the 24 Hours of Le Mans doesn't begin until mid-June, but that doesn't mean that Audi isn't already hard at work bettering the chances of their diesel-powered R15 TDI racer. Thanks to a belated rule change for the LMP1 class designed to hamper the dominance of diesel-powered vehicles, Le Mans rulemakers have mandated smaller-diameter air restrictors and curbed supercharger pressure in an effort to level the playing field. According to Audi, those alterations have made the German automaker prioritize aerodynamics and downforce even more than normal