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

Chris Evans’ CarFest North. Just as big as CarFest South

Chris Evans’ second petrolhead extravaganza – CarFest North at Cholmondeley Castle – has been as big a success as CarFest South. It may be a new petrolhead show on the calendar, but Chris Evans’ CarFest Shows have been a real success, not just for visitors but for the BBC’s Children in Need charity. This last weekend saw CarFest North try and follow in the footsteps of last month’s CarFest South, which it appears to have done in style, pushing the amount raised for Children in Need up to £800k from both CarFest events.

Toyota Unveils new Prius at Detroit Auto Show: Bigger, with more power and less weight

Toyota introduced its third-generation Prius at the Detroit Auto Show with an extensively re-engineered hybrid drivetrain. Ninety percent of the Prius's hybrid synergy drive system has been redesigned, with the focus on weight reduction. The lighter components include the transaxle to cut down on torque loss, inverter with direct cooling and smaller motor.

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.