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

Volkswagen Passat TDI covers 1,626 miles on a single tank of fuel

John and Helen Taylor recently drove a 2012 Volkswagen Passat TDI carefully enough to return an unbelievable 84.1 mpg on trip from Houston, Texas, to Sterling, Va. That's 1,626.1 miles on one tank of low-sulfur diesel. That's almost 100 miles better than the old world record.

Video: The Porsche Panamera Sport Turismo concept build process

Porsche has released a video featuring Style Director Michael Mauer charting the design process of the Panamera Sport Turismo concept. The 10-minute YouTube video, which also features General Manager Advanced Design Style Mitja Rorkert, follows the build process through each modeling phase right up until the presentation of the show car at this year's Paris motor show. "It always presents a special challenge when we develop a new kind of car for the Porsche brand," says Mauer, "precisely because we haven't been in the segment before, and the question of whether it matches the Porsche brand always looms in the background." We were impressed at the Panamera Sport Turismo concept's unveiling, particularly with its stance and detail execution, so the video is a chance to see just how this concept came into being.

2012 Mercedes-Benz CLS is revealed

The first photos of the “Shooting Break”-inspired 2012 Mercedes-Benz CLS, set to debut at the Paris motor show this fall, have been released. The mold-breaking four-door features sharper styling and an impressive array of technology. The next generation of the sedan will arrive in mid-2011 at U.S.