4pc. Suzuki Emblem Decals Reflective Sticker Foil Emboss Die Cut Motorcross 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.

Le Mans 24-hour race 2010: CAR's guide to the classes

This year, teams are split into two categories: Prototype and Grand Touring. The former are cars created specifically for endurance racing, the latter are homologated from road cars. Each category is then split into two further disciplines – one a higher performance grade, the other slightly lower.

Jaguar teases arrival of new XJ sedan

With the launch date of the redesigned XJ sedan drawing closer, Jaguar is starting to prime the pump by releasing an overhead view of the new car. The teaser shot gives us a look at the car's glass panoramic roof. The new XJ, which we expect to get a clear look at late this summer, uses a reengineered version of the current XJ's aluminum chassis.