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.

Last Lexus LFA leaves Motomachi Plant

The very last Lexus LFA – LFA #500 – has left the Motomachi Plant in Japan two years after production started and three years after the LFA was revealed. The idea of a Lexus supercar that cost so much seemed barking mad, but the LFA turned out to be a very special car indeed, not just for its build and performance but for what it meant for Lexus and Toyota – a future that would encompass many of the LFA’s design cues and DNA in future mainstream models. But three years after the LFA debuted, and exactly two years after the LFA went in to production at the TMC dedicated production facility at the Motomachi Plant, Aichi Prefecture, the last LFA – a white LFA Nurburgring Package #500 – has left the building.

AUTO SALES: GM, Ford, Honda, Toyota drag industry to 36% decline

General Motors, Ford Motor Co., American Honda and Toyota Motor Sales U.S.A. all reported sales declines of more than 31 percent in December as the U.S. auto industry capped its worst year since 1992.