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

Driven: a week with a Chevrolet Volt

In Fall 2010, before the Volt went on sale in North America, we sampled an early build model and came away so impressed, we declared it the car for the digital age. Since then the car has received harsh criticism from the press and been outsold by the Nissan Leaf in the North American market. Given the unique powertrain, we felt longer exposure to the Volt was therefore in order, so on a recent trip to Michigan, we lived with one for five days.

2011 BMW X3 leaks

The 2011 BMW X3 - together with required camouflage To say that details have leaked is a bit disingenuous, as the leak has emanated from BMW. So although technically I suppose we should call it a leak because the details are not exactly concrete – and the photos are of camouflaged cars – it’s more of a tease than a leak. The photos tell us not a huge amount – it’s a new BMW X3 with some black and white bits on.

Porsche Design to launch two bikes

Porsche will be joining its fellow car manufacturers when they release two bikes in September. The Porsche Design ‘RS' and ‘S' bikes are designed with speed in mind and will be the latest additions to their Driver's Selection range. The ‘Rennsport', or ‘RS' bike, is a sports bike featuring a monocoque-constructed carbon frame for stability and damping, 20-speed Shimano XTR gear and 29-inch Crank Brothers wheels.