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

Porsche Panamera – Best selling Porsche in the U.S.

The Porsche Panamera - best-selling Porsche in the US The Porsche Panamera elicited pretty much the same response from the Porsche aficionados when it was revealed as the Cayenne did seven years ago – raise arms in horror; shriek about wrecking the brand and proclaim the end of Porsche as the latest sacrilege will bring the company to its knees. Wrong. Again.

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.

Future products: Leaf EV is just the start of Nissan lineup overhaul

The next 18 to 24 months will bring a major renewal of Nissan Division's lineup. In the coming weeks, the brand will see four new products released or revealed: the Juke crossover, electric Leaf sedan, redesigned Quest minivan and an ambitious but perhaps polarizing convertible Murano crossover. Late next year, Nissan will begin showing a string of restyled high-volume car lines, including the Altima and Versa.