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

Porsche Cayman Shooting Brake – perhaps

Porsche Cayman Shooting Brake - real or a Photoshop? Is it such an outlandish suggestion – a Porsche Shooting Brake? In some ways it is, but that’s exactly what people said when there were first rumours of a Porsche SUV (which became the Porsche Cayenne – with Hybrid option.

Renault's four electric Frankfurt stars: the teaser

Renault will show off four electric cars at the 2009 Frankfurt motor show By Tim Pollard First Official Pictures 10 September 2009 17:18 Renault today trailed its electric car debutants for next week's Frankfurt motor show – revealing the four battery cars that will hog the limelight in Germany. The Renault zero-emissions cars will be shown in full on Tuesday 15 September 2009, but this image gives us a taster for what's to come.Carlos Ghosn, Renault's chief exec, will unveil four new electric cars, seen here for the first time. This overhead shot confirms that Renault will unveil a range of EVs – from a tiny city car through a supermini and van all the way up to what looks like an electric saloon car.Electric cars: the theme of FrankfurtPlenty of manufacturers will be showing off electric or petrol-electric cars at Frankfurt's IAA this year: there's an electric Merc SLS and Hyundai i10, plus more hybrids than you could shake a socket at – including debuts from Lexus, Peugeot and BMW.

Opel/Vauxhall teases Cascada mid-size convertible

Opel/Vauxhall has given us a sneak peek of its new mid-size convertible, the Cascanda, which effectively replaces the Astra Twin Top. The Cascanda features a full-size fabric roof that can be opened or closed with one button up to speeds of 30mph and is the latest model to shun a folding hardtop in favor of the lighter and more practical soft option. The company claims this is its first D-segment cabrio for more than 70 years but, unlike them, we haven't forgotten the Cavialier Convertible of the 1980s (see pic).