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Former Ford exec Theodore shows off lighter chassis at SAE

Automakers are facing tougher government regulations for fuel economy, and one former Ford and Chrysler executive says he has a solution Chris Theodore, best known for his work on the Ford GT and Dodge Viper, has designed a vehicle chassis that he says will provide automakers with weight savings, cut manufacturing costs and make electric vehicles more economically viable. Theodore is showcasing his proof-of-concept Uni-Chassis at the SAE World Congress this week. It uses the powertrain and suspension of the GT, under an agreement with Ford.

BMW's Domagoj Dukec on the 4 Series Convertible [w/Video]

BMW's head of exterior design Domagoj Dukec has explained how the 4 Series Convertible's design sets it apart from the 3 Series in a new video. Dukec says that aside from the fact the 4 Series Convertible is visibly wider than its predecessor with an increased track and wheelbase, its design is unique. While describing the changes to features such as the kidney grille, headlamps and the lines running down the hood, Dukec also compares it to the coupé.

NHTSA may investigate Grand Cherokees over fuel-tank fire hazard

The Jeep Grand Cherokee from the 1993 to 2004 model years may be investigated by federal safety regulators after a complaint that its fuel tank is an exposed fire hazard that may have contributed to hundreds of deaths. Last month the nonprofit Center for Auto Safety complained that the SUV's fuel tank extends below the rear bumper and is inadequately protected from crashes and rollovers. The vehicle's fuel filler neck also tears off in crashes, said the center's petition for an investigation and recall.