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Watch this McLaren 650S hot-lap Monza

Here's a short video of the McLaren 650S lapping the Monza racetrack in Italy. The 3-minute, 40-second clip features the company's latest supercar doing high-speed pass-bys and revving engines at the gas station. The footage came out of the “Pure McLaren Driving Experience,” an event put together for company VIPs.

GM says natural-gas Chevrolet Impala on the way

General Motors said it will sell a version of the Chevrolet Impala sedan with the ability to switch between gasoline and natural gas, part of the automaker's plan for taking advantage of a U.S. drilling boom that has made natural gas a more viable fuel for cars. The dual-fuel Impala, to be announced today by CEO Dan Akerson at a conference here, will have one engine and two fuel tanks -- one for gasoline and one for compressed natural gas.

2012 Mercedes SL63 AMG revealed in Barcelona

The 2012 Mercedes SL63 AMG makes an appearance in Barcelona The 2012 Mercedes-Benz SL63 AMG has been revealed in Barcelona alongside Mercedes new MGP W03 F1 car for 2012. It’s a day ahead of where we expected, but the 2012 Mercedes SL 63 AMG has made an appearance in Barcelona in the pit lane alongside the reveal of the 2012 Mercedes F1 MGP W03 car. Everything you get in the new 2012 Mercedes SL arrives in the SL63 AMG, but in spades.