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Audi R18 TDI dominates Le Mans 2011 test day

Le Mans echoed to the sound of racing cars on Easter Sunday as teams took part in the sole scheduled test day, and Audi's new R18 coupe dominated the LMP1 class. Le Mans 2011: classes and rules changes The Automobile Club de l'Ouest (ACO), the organisers of the annual 24-hour race, made several changes to the competition classes and technical specifications for Le Mans 2011, aimed at reducing costs, raising lap times and ending the dominance of turbodiesel endurance racers. Out went V10 and V12 engines in the LMP1 (Le Mans Prototype) class, and in came new capacity limits for all engines, intake restrictors and lower turbo boost limits on existing turbodiesels. Naturally aspirated petrols units are now limited to 3.4-litres, turbo'd petrols can be no bigger than 2.0, and turbodiesels are restricted to 3.7-litres.

2012 Jaguar XK Convertible Spied

The 2012 Jaguar XK Convertible - suitably camouflaged Just last week we ran a story about a camouflaged Jaguar XJ running around on trade plates. We’d picked the photo up from Autoblog, who reckoned the photo was a facelift for the XK as a final titivate next year. We thought the trade plates were to protect the long-expected Jaguar XK Diesel from a DVLA registration check divulging it was burning oil.

Hispano Suiza V10 Supercharged (2010) at Geneva motor show

This is the Hispano Suiza V10 Supercharged, a coachbuilt version of the R8 V10 with a twin-supercharged engine. That’s because the Hispano Suiza has a completely new carbonfibre body, but you can’t ignore the power outputs either. Two electrically powered superchargers boost the 5.2-litre V10’s outputs from 518bhp and 391lb ft to 739bhp and 516lb ft.