Garret Turbo on 2040-parts.com

Tesla teases Model S prior to debut

Prior to its world debut on March 26, Tesla has decided to whet the appetites of green-car fans by releasing a teaser image of its upcoming Model S sedan. Under the direction of former Mazda designer Franz von Holzhausen, the Model S features a rounded front nose, a front fender plate with an affixed Tesla emblem and a noticeably shorter hoodline. Unlike the Fisker Karma, the Model S will be powered solely on battery propulsion and do without a range-extending engine, which helps accommodate the shorter hood.

Toyota NS4 concept car (2012) first official pictures

Toyota regularly shows hybrid concept cars at the Detroit auto show – and the 2012 NAIAS is no different. Problem is, we don't yet know much about their planned debut. Called the NS4, all we can see so far is this rather ludicrously cropped shot of the headlamp.

Ford Focus (2012) - the best-selling car in the world

Ford's Focus has overtaken the Toyota Corolla in the sales charts. Unremarkable, you might say? Not when you realise this is the global sales mantle, making the Focus the best-selling car name on the planet in the first half of the year.