Until recently, most every sports and GT road racing car was powered solely by an internal combustion engine. Now we have modern hybrid race cars, and they will lead the pack in the 2012 24 Hours of Le Mans.
Audi's R18 e-tron quattro has a turbocharged diesel V-6 with a flywheel/motor/generator that feeds electric energy to a motor at the front axle for added acceleration. Eight-time Le Mans winner Tom Kristensen and 2012 Le Mans pole winner Allan McNish, tell us what a difference that power makes and how they hustle the hybrid Audi around the French circuit.
Toyota's design for its Le Mans hybrid, uses a 3.4-liter gasoline-fired V-8, collects the braking energy in a super-capacitor and routes that energy to a motor at the rear wheels. Former Grand Prix driver Alexander Wurz talks up the advantage of the Japanese design.
Can a hybrid win at LeMans? Watch the behind the scenes video and find out why all indications point to yes.
Exclusive Photos: 2012 24 Hours of Le Mans >>