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

Audi RS5 TDI Concept gets electric turbo and 380bhp

The Audi RS5 TDI Concept (pictured) gets an electric turbo It’s two years since Audi revealed it was working on an electric turbo to be used in a twin-turbo setup, with the electric turbo able to offer boost pressure from much lower down the rev range than a normal turbo. That has turned in to the Audi RS5 TDI Concept, where Audi has replaced the normal RS5‘s V8 with a 3.0 litre TDI engine with a small electric turbo for low rev work and a bigger turbo to do the higher rev stuff. The electric turbo works from the off to provide maximum torque of 553lb/ft from just 1250rpm, before the bigger normal turbo takes over at 3,000rpm to continue the boost.

Porsche Cayenne Hybrid (2007): first official pictures

By Ben Pulman First Official Pictures 26 July 2007 04:57 A Porsche hybrid? That's right, and CAR Online has just returned from a visit to Weissach - Porsche's R&D HQ near Stuttgart - where we were given the full lowdown on the Cayenne Hybrid. Porsche's hand has been forced by the current public and political climate surrounding CO2 and global warming - and the company has taken the unusual step of showing its prototypes even though they're a few years from production.

London world’s most expensive place to park

REX The average cost to park a car for a day in London is a whopping £42 – making London the most expensive city for car parking in the entire world. This is according to new research by ParkatmyHouse.com, which ranks the UK capital number one, well ahead of the likes of New York, Sydney and Tokyo. On Bing: see pictures of car parking in LondonThe world’s strangest car parks The next most expensive city to park in is Tokyo – a place so notorious for its lack of available parking space the Japanese have an entire class of city cars dedicated to making it easier.