Polaris Arctic Cat 35 Tooth 13wide Steel Bottom Gear on 2040-parts.com

Nissan NV2500 concept

Nissan North America today unveiled the NV2500 concept at its Technical Center headquarters in Michigan. The van concept provides a preview of Nissan's entry into the North American commercial market in 2010. "The Nissan NV2500 is a rolling idea lab - bringing a new perspective to the commercial vehicle segment," said Bruce Campbell, vice president of design for Nissan Design America, which developed the concept.

Winners of the 2013 Michelin Design Challenge announced

Michelin presented the three winners of the 2013 Michelin Challenge Design at its private Designers' Reception during of the North American International Auto Show (NAIAS) in Detroit's Renaissance Center. A jury of automotive designers and industry experts picked the winners from the 15 finalists that best explored how design contributes to and impacts the ongoing effort to develop more efficient vehicles, while keeping the emotional side of car design front of mind. This year's top three finalists are Jorge Biosca (Spain), Liu Shun (China) and Song Wei Teo (Singapore).

Top Gear Tonight: Mercedes SLS AMG Black Series & SLS Electric, Hovercraft Car & Hugh Jackman is SIARPC

Top Gear tests the Mercedes SLS AMG Black Series (pictured) against the SLS Electric Drive We’re already halfway through the latest series of Top Gear – Series 20 – with tonight’s episode 4 leaving just two more show to go before the end of the season. Tonight we get Messrs Clarkson, May and Hammond looking for a solution for negotiating flooded regions (which just happens to be running in the longest dry spell in the UK for years) and it seems the solution is to build a car that turns in to a hovercraft. That will be the cue for the boys to appear in wetsuits as they take their creation for a trolley down the River Avon, a trip that will no doubt be more than a little eventful and wayward – hovercraft are not exactly point and steer.