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Video shows Audi R18 'long tail' e-tron quattro's blistering Monza run

Audi has had a pretty solid run at the 24 Hours of Le Mans over the past decade, but we're glad they keep pushing the envelope. That's how they keep devising road-going spaceships like the staggeringly fast R18 e-tron quatto equipped with a “long tail” aerodynamic package. This quick video of the “long tail” hybrid testing at Monza gives us a preview of what we can expect at Spa next month -- and hints at what we'll see at Le Mans in June.

Volkswagen Beetle Dune concept for Detroit Motor Show

Volkswagen Volkswagen has announced a Beetle Dune concept will take to its show stand at the 2014 North American International Auto Show (NAIAS) next week – promising to bring a bit of beach buggy sunshine to the polar vortex chilled show halls of Detroit. So far VW has only released the pair of design concepts pictured here, but together with a few choice details you can clearly figure out what we’re dealing with here. The Dune is a Beetle that’s been given a rugged off-road makeover.

GM plants solar field at Chevrolet Volt factory

Looking to put a charge in its eco-friendly image, General Motors is installing a 264,000-square-foot solar field at the Detroit-Hamtramck assembly plant that builds the Chevrolet Volt plug-in hybrid sedan. The solar field, being built in cooperation with utility DTE Energy, will generate 516 kilowatts. GM says that’s enough power to charge up 150 Volts every day for a year.