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

Tesla increases Roadster production

By Nick Eaton Motor Industry 11 September 2008 11:30 Tesla Motors is about to ramp up production of its Roadster, having secured supply of a new single-speed gearbox from BorgWarner. Tesla began producing the Roadster in March 2008, but all 27 cars so far delivered to customers have effectively been interim models because the original two-speed ‘box was deemed too fragile for long-term use. The original thinking was that the Roadster would require two gears to achieve the best possible acceleration, and on that point Tesla was right.

Report: Gasoline engine has big bang for the fuel-economy buck

A government report says improving the gasoline engine will yield huge gains for the consumer and the environment as automakers consider ways to improve fuel economy over the next 14 years. The Obama administration's technical assessment looked at four technology scenarios by which automakers might attain suggested CAFE goals of 47 to 62 mpg for cars and light trucks by 2025. The scenarios differed by the portion of an automaker's fleet that was accounted for by electrics, hybrid electrics and plug-in hybrid electrics.

Mazda Kiyora concept

Mazda has released these images of the Kiyora compact urban concept car the automaker will reveal at the 2008 Paris Motor Show. Based on an all-new platform designed to maximize weight reduction, the Kiyora is claimed to represent the harmony between driving pleasure and environmental and safety features. Meaning 'clean and pure' in Japanese, the concept of 'Kiyora' helped the designers to imagine a city car cutting cleanly through an urban landscape, with water as the design theme.