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

One Lap of the Web: KERS, Klass and autonomous cars

We spend a lot of time on the Internet -- pretty much whenever we're not driving, writing about or working on cars. Since there's more out there than we'd ever be able to cover, here's our daily digest of car stuff on the Web you may not otherwise have heard about. -- KERS, the kinetic-energy-recovery system, was first seen in Formula One a few years back.

Video: The Making of the Mercedes-Benz AMG Vision Gran Turismo

In a new video exploring the design of the AMG Vision Gran Turismo, Mercedes-Benz designers speak of their excitement at designing without restrictions. The video, which features figures such as design vice-president Gorden Wagener, traces the car's development from the sketch phase to the final model – unveiled at last month's Los Angeles auto show. Steffen Köhl, director advanced design global, says, "We had the mix between the very far away showcar design – free and pure emotion – and a car that reacts realistically in the game." "The most stunning aspect of this car is the proportion.

Tesla Model S finally revealed

The Tesla Model S, a full sized Electric Saloon car, unveiled in California The Tesla Model S is a full size saloon which, at the projected price of $50,000 (including a federal tax break), should make a significant impact on the market. I say projected simply because the car will not be ready for sale until 2011, so there is plenty of time for ‘adjustments’. We’ll see.