Speedometer Bezel 2015 Mirage P/n: 8060-a11522 R256099 on 2040-parts.com

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.

British EV prototype competes for $10m prize

A Silverstone-based company has emerged as the only British (and European) contender for the $10m Automotive X-Prize, a competition to find the most environmentally friendly car on the planet. Delta Motorsport’s E-4 Coupe concept has been accepted into the next stage of the X-Prize competition and the company now has to prepare a fully functioning prototype. Backed by an American insurance company, the X-Prize was set up to 'inspire a new generation of viable, super-efficient vehicles that help break our addiction to oil and stem the effects of climate change'.

Opel Monza concept

We brought you the first vague details of the Opel Monza concept last month, but now GM Europe has released more details and pictures of its Frankfurt motor show star. The 4,690mm long Monza crosses coupé with wagon to create a gull-winged shooting brake that's just 1,310mm high. Its layered, lightweight aesthetic is said to represent the brand's new language and also marks the return of Mark Adams to the European arm of GM.