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Porsche 918 RSR

Following an absence of four years from the NAIAS, Porsche had been promising an all new concept to its North American contigency. The 918 RSR is exactly that. Evolving from the 2010 918 Spyder concept shown in Geneva, the RSR stays true to the overall theme of the Spyder but adds a roof and race-specific elements.

Chevrolet reveals more details of Camaro ZL1

The 2012 Chevrolet Camaro ZL1 will not be anywhere near as rare as its 1969 namesake when it arrives during the first quarter of next year, but the most powerful production Camaro to date should deliver performance easily worthy of its model designation. Camaro engineers on Thursday offered media members a preview of the upcoming Ford Mustang Shelby GT500 fighter, and the tale of the tape is impressive, especially in terms of grunt. The 6.2-liter supercharged LSA V8 will make 580 hp at 6,000 rpm and 556 lb-ft of torque at 4,200 rpm, besting Chevy's original targets for the engine's output and bettering its efficiency in the Cadillac CTS-V by 24 hp and 5 lb-ft.

UK has 'highest car running costs'

THE UK is the most expensive country in the world for running a car, according to a new survey. Comparing the cost of fuel, insurance, road tax and MOT, on average it costs the UK motorist £3,453 a year, which is £1,000 more than in the USA and Australia, £1,825 than Japan and a full £2,000 more than in China. The survey, conducted by Webuyanycar.com, compared the cost of motoring in 21 countries on five continents, and revealed that on many fronts the UK motorist is paying more than anyone else.