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2012 Mercedes SL Spied

2012 Mercedes SL caught testing When the fifth generation Mercedes SL hit the headlines back in 2002 it was a revelation, offering as it did the best of a coupe and a convertible and a completely bonkers performance version in the SL55. But eight years is a long time in the life of a car – even with a cosmetic facelift in 2008 – and the SL has lost its way as the flagship of the Mercedes range. More powerful cars like the SLS have put the SL in to the shadows, and even its little brother – the Mercedes SLK – is probably more desirable.

EPA rules greenhouse gases pose danger; more regulation expected

The EPA has proposed a finding that greenhouse gases from new vehicles and industrial plants pose a danger to the public, kicking off a process that could result in tighter regulation of carbon dioxide emissions. The EPA's findings come two years after the U.S. Supreme Court ordered the agency to determine whether these emissions contribute to harmful air pollution under the Clean Air Act or whether the science is too uncertain.

Chevrolet Camaro V6 gets power boost from integrated exhaust manifold

General Motors has managed to wring out more horsepower from its 3.6-liter direct-injection V6 and get better fuel economy, too. And the 2012 Chevrolet Camaro gets the benefits. It starts with the old Lotus adage of adding lightness.