Ariel Atom 3.5 (2012) first official pictures

It's difficult for Ariel to come up with a mid-life refresh for its cars - there simply aren't that many bits to fiddle with in the first place. Still, the boys from Somerset must have succeeded, because what we have here is the freshly updated Ariel Atom 3.5. As the name suggests, it's a development of the Ariel Atom 3, with a crop of minor visual  tweaks and some mechanical changes too, keeping Caterham and BAC looking over their shoulders.

Calling all customized Chryslers

Chrysler is jumping on the social-media contest craze with a new campaign honoring those who love to customize their Chryslers. The top prize includes a trip to the "Custom Challenge" tab on Chrysler's Facebook page. Visitors to the page can vote on their favorite entries through July 1, 2013.

GM disbands unit that creates high-performance vehicles

General Motors, focusing on mainstream products in a battle to survive, has scrapped a unit that produced high-performance vehicles. GM on Wednesday disbanded High Performance Vehicle Operations, which is based at the company's suburban Detroit technical center, and redeployed its engineers, spokesman Vince Muniga said. "All high-performance projects are on indefinite hold," Muniga said.