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

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.

Detroit Electric delays SP:01 again

Detroit Electric, the new startup with an old name, said it is delaying production because it hasn't secured a lease or purchase agreement for its manufacturing facility in Plymouth, Mich. It is also talking to some new partners, though the company declined to name them. North American president Don Graunstadt told the Detroit News, “To further elaborate at this juncture is, unfortunately, not possible as Detroit Electric have entered into negotiations with other parties that have the potential to impact our business strategy and timing,” Graunstadt said.

Caterham Seven Supersport R (2012) first pictures

It's certainly been a busy week for Caterham. Just a few days ago the company announced its partnership with Renault to create a new range of Alpine sports cars, and now the Surrey-based outfit has gone back its roots to develop an even more hardcore version of the Seven Supersport. Called the Caterham Seven Supersport R, the lightweight special gets an engine capacity increase and power bump over the regular car, but carries over its racing car-derived suspension.