Donaldson Nos Rain / Weather / Stack Cap P270539 4" Diameter on 2040-parts.com

Hottest 911 ever!

A few weeks back, we revealed spy shots of the next-gen Porsche 911 GT2. But now the Web is awash in reports from a Porsche dealer meeting in Germany where the company revealed the even-hotter GT2 RS. Reportedly pushing 620 hp from its turbocharged boxer-six engine, the track- and street-legal GT2 RS is said to be 200 pounds lighter than the GT2.

Honda Civic Si gets a bigger engine for 2012

Honda is dropping a larger, 2.4-liter four-cylinder engine into the Si versions of the redesigned Civic coupe and sedan, which go on sale this spring. The Civic Si powertrain also gets a new six-speed manual transmission. Honda on Thursday said it anticipates that the 2.4-liter engine will be rated at 200 hp.

Mark Adams on the Past, Present and Future of Opel Design

Back in 1938, GM showed the world's first concept car: Harley Earl's Buick Y-Job. Twenty-six years later, GM's Opel division became the first mainstream carmaker to design and build a concept in Europe. That car was the Opel Experimental GT, designed in 1964 and launched at the Frankfurt motor show in 1965.