Sierra Marine Exhaust Manifold 18-1898 on 2040-parts.com

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.

Nissan to launch plug-in hybrid & develop fuel cells with Mercedes

Nissan Renault & Mercedes working on 'Green' technology We have been a bit scathing about electric cars, and Nissan’s over-priced LEAF being proclaimed as a viable alternative to the ICE car. But we certainly understand the imperative for car makers to build cars which produce less CO2 (a highly dubious requirement) and use far less fuel (a very solid requirement). Sensibly, Nissan Renault, under Carlos Ghosn, aren’t putting all their eggs in one basket in the quest to make their cars cleaner, greener and more economical.

Tesla touts top sales at Detroit auto show

Tesla credits the "exceptional cold weather performance" of its Model S for 20 percent-higher-than-expected Q4 sales of 6,900 units, bringing total Model S sales worldwide to 25,000 so far. In fact, Tesla says its sedan does so well in the snow that the rear wheels are the only ones that need any torque. "This car performs outstandingly in winter conditions," said Tesla vp of vehicle engineering Chris Porritt in a video released the day of the Detroit Auto Show.