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Pebble Beach and Monterey car week 2013 preview: in pictures

Every August, car nuts from around the globe congregate on the Monterey Peninsula, on the west coast of America, to pay homage to the internal combustion engine. A series of events is run, culminating in the most prestigious concours in the world – Pebble Beach. Over the next few days we’ll be bringing you coverage of the key events and some of the smaller ones too, all leading up the grand finale.

CES: Mercedes-Benz boss talks technology

Mercedes-Benz boss Dieter Zetsche characteristically seemed to enjoy his status as a car guy amid the computer nerds at the 2012 Consumer Electronics Show. “I just came from Detroit yesterday, where some people consider consumer electronics to be a mere accessory to the car, and now I am here at CES where some people think the car is a mere accessory to the consumer electronics,” he said in a keynote speech on Tuesday at the event. Zetsche introduced mbrace2, the second generation of the Mercedes-Benz mbrace (pronounced “embrace”) system.

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.