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

Watch: 2014 Ram 1500 EcoDiesel video walkaround

Mike Cairns, chief engineer for Ram, says that people just can't help but pester him with the same damned question: “Why don't you put a diesel engine in a 1500?” Thanksgivings were, we imagine, brutal. The coming 2014 Ram 1500 EcoDiesel ought to steer family dinners back to less abrasive topics, like partisan politics. Get an up-close look at the truck in this video walkaround hosted by none other than Cairns himself.

Lotus Evora S revealed UPDATE: Evora S uses a supercharger

The Lotus Evora S gets unveiled ahead of Paris Update: We’ve had emails and Tweets suggesting that the Evora S may not use a Supercharger to gain its extra horses. TBH, the press release makes no mention of a S/C and the power increase is less than we’d expected. So we checked with Lotus and we can confirm that the Evora S does have a supercharger.

Porsche Macan production starts in December

The Porsche Macan (pictured) starts production in December with a bolder look It does seem that the baby Cayenne – the new, Audi Q5 based Porsche Macan – has been on its way for a while, but Porsche has now confirmed production will start in December, with first Macans hitting Porsche showrooms in early 2014. But despite the Macan having been spied many times, seemingly almost undisguised, we really don’t know what it will look like. That’s because Porsche’s man in charge of the design of the Macan - Michael Mauer – has admitted that Porsche has had to go back to the drawing board with the Macan to try and address its design in light of the huge success of the Range Rover Evoque.