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15 must-sees at the 2014 Goodwood Festival of Speed

There aren't many places in the world where you can get up close to the Audi R18 e-tron Quattro that won this year's 24 Hours of Le Mans, but you can at the Goodwood Festival of Speed. If you’re lucky, you might even get to talk to a team member and take a peek inside the cockpit of these incredibly advanced LMP1 prototype endurance racers. As a bonus, look out for its rivals: the hybrid Toyota TS040 and Porsche 919.

Audi teases its future sporty RS models for 2013

At the launch of Audi's new 444bhp RS5 Cabriolet, CAR's eagle-eyed road test editor Ben Pulman spotted an image of the future of Audi's RS brand. Four new RS models due to go on sale in 2013, joining the current crop of TT RS, RS4 Avant and RS5 coupe models. What's next for Audi RS in 2013, then?

Mercedes B-class fuel-cell drivers tell all

We met in a Los Angeles gas station, directly under the landing lights of LAX's south runway, our conversation interrupted regularly by the Prattt & Whitney thrust of 757s and Super 80s. We could easily be the main characters in an espionage thriller, handing off secret documents at great personal risk. But we're not.