G.m 3.1/189 Enginetech Pistons (cast) .030 Os on 2040-parts.com

Video: GM's Clay Dean on the future of urban mobility

Clay Dean is the star of a new Faces of GM video, Anticipating the Driving Experience of the Future. The global design director for GM's Advanced Design Group, whose job also entails exploring future transportation design solutions, talks about the need to avoid short-term thinking on urban mobility, as by 2030 60 percent of the world's population will live in cities. As new challenges start to emerge, such as increasing congestion, Dean believes it is time to start thinking about transportation in a completely different way.

Bentley Continental GT3 Road Car? Probably not

Despite reports to the contrary, it seems highly unlikely that Bentley will produce a road going version of the Continental GT3. The Continental GT3 is just a concept at the moment - although it will become a proper track car – but it has already had Autocar gazing in to its crystal ball to suggest that Bentley will be building a GT3 for the road, with a 700bhp W12 and 4WD, and will sell it in limited numbers. But that doesn’t add up to us.

New BMW M6 Convertible Spied. Heading for Detroit 2012?

New BMW M6 Convertible Spied The new BMW M6 Convertible has been spied in the US at a BMW compound. Is it heading for a debut at the 2012 Detroit Motor Show. The 2011 BMW 6 Series Convertible debuted almost exactly a year ago after BMW turned car launch convention on its head by revealing the convertible version of the new 6 Series ahead of the coupe.