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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.

2012 Audi A6 Allroad UK price from £43,145

2012 Audi A6 Allroad UK price announced Just days after the reveal of the new A6 Allroad, Audi has announced that the 2012 A6 Allroad will start at £43,145. In the midst of the reveals at the Detroit Auto Show last week, Audi revealed the 2012 A6 Allroad in Germany, and a decent-looking Allroad it is too. Unlike previous iterations of the A6 Allroad, the 2012 A6 Allroad looks almost as sleek and appealing as the regular A6 Avant, despite its butch plastic cladding and skid plates.

Tesla Model S deliveries scheduled

It's been a big day for Elon Musk. First, his company, SpaceX, launched a rocket into space on a mission to resupply the International Space Station. Next, another of Musk's companies did something that many thought was even more improbable--Tesla has scheduled customer deliveries of its first sedan, the Tesla Model S.