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Nissan debuts Sport Sedan Concept at Detroit auto show

Nissan introduced the Sport Sedan Concept to go along with its IDx twins at the Detroit auto show on Monday. The company says the sleek four-door embodies the next-generation design cues, including the V-Motion front end, floating roof and boomerang headlights. “The Sport Sedan Concept shows a new, highly emotional and energetic design direction that takes Nissan's approach of applying sports-car principles to a sedan to the next level,” said Nissan vice president Shiro Nakamura.

The other side of the curtain: A look back at Lada, Volga and more

While Americans in the 1960s and '70s were enjoying the heyday of muscle-car madness, our friends over in the Soviet Union were treated to an entirely different kind of automobile. Fiat-based Ladas and Russian-born Volgas were the cars of the day, and our friends at Retronaut have gathered some press materials and advertisements for the compact sedans. Lada was named after a famous Czech manufacturer of sewing machines in the 1960s.

Chevrolet Volt faces toughest test--consumers

Scientists, journalists and a slew of other alleged experts have all weighed in on the 2011 Chevrolet Volt, and now the only verdict that truly matters--the public's--will be rendered. General Motors said 6,348 consumers have taken the extended-range car for a spin during a 12-city “Volt Unplugged Tour,” and not surprisingly, GM's reviewers like it. Still, initial feedback does appear to be truly positive.