13 14 Mercedes Cls550 Audio Equipment 364552 on 2040-parts.com

Roush unveils two 540-horsepower Mustangs

The go-fast guys at Roush tore the cover off two 540-hp 2010 Ford Mustangs today. The range-topping Stage 3 Mustang will be limited to 103 copies for 2010, while the 540RH will slot in as minimalistic approach to the iconic Pony Car for customizers. They both launch this fall.

One Lap of the Web: Green machines, light-up stars and an upside down Porsche

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. To participate in the 24 Hours of LeMons you not only need a sub-$500 car, but you also have to find a gimmick.

VW Beetle Dune at the Detroit auto show

Of all the production-leaning concept vehicles at the Detroit auto show, the Volkswagen Beetle Dune's the sort of flight of fancy nobody was looking for. Nissan's Sport Sedan heralds the look of the next Maxima, which will likely trickle down in some way to future Altimas, Sentras and Versas. It looks as if Nissan will put one of its techno-retro RWD IDx concepts into production.