More details on the 2011 Le Mans technical regulations, now with hybrid power

On Thursday, June 10, the Automobile Club de L'Ouest (ACO), which organizes the 24 Hours of Le Mans, held its annual press conference and announced new technical regulations for the 2011 event as well as the European Le Mans Series. The ACO has long encouraged a variety of powerplant configurations, which is what prompted first Audi and then Peugeot to develop diesel-powered prototypes. 2011 will bring the official introduction hybrid power to Le Mans racing in all of the new classes.

Next year the club will move even further in the direction already pioneered by the American Le Mans Series with its "green racing" initiatives. The top LMP1 class will adopt what are essentially the current LMP2 rules, with gasoline racing engines limited to 3.4 liters normally aspirated or 2.0 liters turbocharged. Diesels can displace no more than 3.7 liters. The current LMP1 cars will be allowed to compete in 2011, but performance will be restricted by as-yet-unannounced means that will likely include more weight and smaller air restrictors. Check out the rest of the changes after the jump.

AUDI QUATTRO ON FESTIVAL

Audi, which formally began life as a car manufacturer on July 16 1909, wheeled out its “stars and cars” as part of its Centenary celebrations.

The German manufacturer has supported the annual motorsport extravaganza for the past 13 years and fittingly was the “featured marque” at this year’s “True Grit – Epic Feats of Endurance” themed event attended by 150,000 spectators over all three days.

Ultra-rare Auto Union Grand Prix cars, all-wheel-drive Audi quattro rally and touring cars, plus its latest diesel-engined Le Mans sportscars – documenting over 70 years of motorsport involvement by the Four Rings brand – were in action up the 1.8-mile hillclimb.