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Vauxhall reveals 576-hp VXR8 GTS sedan

It appears that Australians have figured out how to make spectacular American-style muscle cars, and they're willing to share with the British. At least that's what the Vauxhall VXR8 GTS looks like on paper. Vauxhall has just revealed a a mean looking piece of machinery that may remind you of a car or two from its side profile, an they've spilled the details on this beast ahead of its launch at the Autosport International auto show.

RCA Citroen/Exa Double Challenge project

Second year students at the Royal College of Art in London revealed a series of projects at their interim degree show last week. Developed in collaboration with French automaker Citroen and the Exa Corporation, a leading supplier of aerodynamic software, the Double Challenge project asked students to design an ultra-compact model that could establish a unique Citroën e-vehicle aesthetic for the future, all while adhering to certain aerodynamic criteria that would not only reduce energy consumption and ensure stability at speed, but also visually communicate efficiency through its design. The project, which kicked off in October last year, was closely followed by representatives from Citroen and Exa, who examined each of the projects and chose a winner, Heikki Juvonen, at the event last week.

Ultimate Street Car Association opens registration for 2014 season

Back in November, the Ultimate Street Car Association was announced at SEMA as a national race series to oversee the Optima Ultimate Street Car Invitational and Qualifying. Registration is now open for the first event at Mazda Raceway Laguna Seca. Those of you who picked up any tuner mag from the last six years will remember the Optima Ultimate Street Car Invitational, which played host to some incredible cars -- and demonstrated an overwhelming bias toward Camaros, it turns out.