Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

Porsche 911 GT3 RS (2009) (2nd gen 997) first photos

By Tim Pollard First Official Pictures 19 August 2009 09:42 Porsche has just unveiled these first photographs of the new second-generation 997 GT3 RS – Porsche shorthand for the hardest, most track-focused contemporary 911 yet. While some prefer the sledgehammer power of the new 911 Turbo and others choose the widowmaker, aka the loony, rear-drive turbocharged GT2, for many the 911 GT3 RS is the purest of the rear-engined Porsches. The new photos of the GT3 RS reveal a 911 that’s been fettled and feted, prepared for use cross-country or at Cadwell Park race track.

World Health Organization condemns diesel exhaust as Class 1 carcinogen

News flash: Diesel exhaust is bad for you, particularly if you're a miner. Following eight days of deliberation, the World Health Organization's cancer-research board has named diesel exhaust a Class 1 carcinogen. The finding puts the fuel in the same category as asbestos.

Concept Car of the Week: Mercedes-Benz C111, C111-II and C111-IID

In 1962, Mercedes-Benz launched a research program to investigate the development of the Wankel rotary engine and its potential both on the road and track. While the early mule wasn't a looker, the prototype's design continued to evolve until a public unveiling of the C111-I concept, designed by Bruno Sacco, at the 1969 Frankfurt motor show. The coupé may have looked like the systematic further development of the Sport Light models from the ‘50s with its gullwing doors, but it wasn't a design study for a new SL.