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ZF boss thinks 9 speeds is enough for transmissions

The nine-speed transmission might be where the race to add gears ends, ZF Friedrichshafen CEO Stefan Sommer said. He referred to nine speeds as the "natural limit" because going beyond that number adds weight and complexity that cannot be offset by gains in fuel efficiency. "There is no hard line, but you have to consider the law of diminishing returns.

Buick revives Regal name for upcoming sedan

Buick confirmed on Wednesday that it's resurrecting the Regal nameplate for its next midsize sedan. Additional details weren't announced, but the car is expected to arrive on the market next year or in 2011. Though the Regal name has been mothballed for about six years, Buick says it remains one of the brand's most recognizable.

Kia Picanto

Kia is set to unveil its next generation Picanto city car at the Geneva motor show in March in the next step of its continual range overhaul. As these first images show, the diminutive A-segment hatchback has been totally redesigned to give it what Kia describes as a 'bolder, more mature and more self-confident look'. While the outgoing model's high H-point (and corresponding proportions) remain, its DRG has been brought further in-line with the rest of the Kia range, with Venga-referencing headlamp graphics, a 'tiger-nose' grille and a surprisingly dominant trio of faux air intakes.