Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

Who's Where: GM Design announces major global restructuring of design executives

GM Design has announced a major reshuffle of its global leadership team, with Mark Adams, current executive director of Global Cadillac and Buick Design and GME vice president of Design, amongst the movers. Designed to boost the emphasis of the carmaker's various brands, including Buick and Opel, the restructuring – which comes into effect on 1 September – will focus on improving joint strategies, theme development and innovation. Mark Adams will head back to Germany to take up the position as GME vice president of Design and champion for Opel/Buick brand strategies and design language.

Carlsson upgrades the Mercedes-Benz CLS63 AMG for the Geneva motor show

If supercars had a spiritual home all to themselves, it probably would be the Geneva motor show. This year we'll see the new Ferrari F12 Berlinetta, the Lamborghini Aventador Roadster and the Aston Martin V12 Zagato. But it's not only the home of production supercars; the tuning companies come out to show their wares as well.

Volt, Leaf win top safety rating in crash test

The 2011 Chevrolet Volt and Nissan Leaf electric cars won the highest safety ratings in crash tests performed by the Insurance Institute for Highway Safety, putting them in the top 57 percent of models tested so far this year. About 80 of 140 vehicles tested among 2011-2012 models have received the Institute's "top safety pick," the group's award for state-of-the-art crash protection that exceeds federal safety rules, Institute spokesman Russ Rader said. The Volt and Leaf received a "good" rating -- the highest of four rankings -- on each of four crash tests, said the Institute, which is funded by auto insurers including State Farm, All-State and Geico.