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

GM's Ed Welburn walks Jay Leno through the Elmiraj concept's design [w/Video]

General Motors' vice president Global Design Ed Welburn stars in the latest of the 'Jay Leno's Garage' YouTube series, running the talk-show host through some of the new Cadillac Elmiraj concept's design features and what it means for the brand's future. We get a look at all the classic Cadillac design cues such as the vertical headlamps and tail lamps as well as the central hard crease that Welburn says is "important in every Cadillac". Leno and Welburn then move onto the Elmiraj's features, such as the large doors' integrated handles and the slimmer A-pillars before a more in-depth look at one of the concept's most striking features – the grille.

Mercedes S500 Hybrid Frankfurt reveal

Mercedes has revealed the S500 plug-in Hybrid at Frankfurt But the S-Class is the ultimates ‘Bankers Car’. So where to go with S Class without destroying the kudos for buyers is a problem. Mercedes made a start with the mild S400 Hybrid, but as we reported recently they are going much further with the S500 Hybrid which was revealed yesterday at Frankfurt.

Aston Martin and Zagato to collaborate again

Aston Martin and Zagato have announced that they are to reunite in this, the 50th anniversary of the DB4GT Zagato. "The DNA of both Aston Martin and Zagato has combined successfully to make some of the world's most desirable collector cars in the past and in this special anniversary year of the DB4GT Zagato it is appropriate to explore a modern collaboration," Aston Martin's Chief Executive, Dr. Ulrich Bez, said, announcing the new vehicle.