Acdelco Gf652f Fuel Filter 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.

Audi SQ5 TDI arrives at Le Mans

The Audi SQ5 TDI – a 309bhp diesel Q5 – is revealed at Le Mans as the first Audi S model with a diesel engine. It’s quite appropriate that the first diesel S Model from Audi has arrived at Le Mans in the shape of the Audi SQ5 TDI, where Audi are expected to dominate in diesel-engined cars. It also shows that Audi are aware that powerful diesel compact SUVs are a must have in today’s car market, and they’ve got in first with a proper barn-storming diesel Q5 before a Range Rover Evoque Sport with perhaps the 3.0 litre V6 diesel or a BMW X3 M40d arrives.

Concept Car of the Week: Lamborghini Marzal (1967)

In 1967, Lamborghini's lineup consisted of just two cars – the Miura and the 400 GT 2+2 – but this wasn't enough for Ferrucio Lamborghini, who fancied a true four-seater GT to add to his stable. After the successful collaboration on the Miura, he naturally returned to carrozeria Bertone which was commissioned to design the car. The project was left in the hands of Marcello Gandini, who turned Ferrucio's vision into a revolutionary design concept.