Mazda Atenza 2003 Front Right Door Assembly [1713100] on 2040-parts.com

Rinspeed to debut autonomous XchangE concept at Geneva motor show

Dutch coachbuilder Rinspeed has built a reputation for imagining and creating cars from 10 years in the future and making them a reality, either for well-heeled customers or for auto show crowds. So it came as no surprise when it revealed its newest project slated for the 2014 Geneva motor show, meant to preview the interiors of the self-driving cars of tomorrow. Yes, that's a Tesla Model S underneath with a (mostly) muted restyling of the front fascia, though it is really the interior that's meant to be the showpiece.

General Motors to offer talking cars by 2016

GENERAL MOTORS has said that in two years it will offer cars that talk to each other and can almost drive themselves at highway speeds. The company said the semi-autonomous freeway system called Super Cruise will be an option on a new Cadillac that goes on sale in the summer of 2016. The company also plans to put vehicle-to-vehicle transmitters and receivers on all Cadillac CTS models during the same time-frame.

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.