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Alfa Romeo 4C

The production version of the Alfa Romeo 4C will make its debut at next month's Geneva motor show, two years after the concept appeared. Largely unchanged from the prototype, the 4C retains its mid-engined layout, short and wide proportions (less than 4,000mm long, 2,000mm wide, 1,180mm high and a 2,400mm wheelbase) and broadly similar surfacing. The changes appear to be more focused around productionized details.

BMW 5-series GT gets a new six-cylinder mix

After a sluggish first few months for the 5-series GT crossover, BMW executives admit they may have missed the model mix. At launch, the 550 GT was available only with rear-wheel drive and a V-8 engine. That will change with the introduction of an all-wheel-drive model in June and a six-cylinder engine in the fall.

Mazda to use regen brakes to boost fuel economy 5 to 10 percent

Mazda is adding a fuel-saving technology that harnesses wasted brake energy in the redesigned Mazda6 sedan due early next year. The approach uses regenerative braking to convert kinetic energy into electricity that is stored in a capacitor. The car later taps that capacitor to power the fuel pump, lights, audio, air conditioning and transmission and engine control systems.