Honda Cb400tii Hawk Ii 1978 - 1979 Push Throttle Cable 6501x Af69 on 2040-parts.com

HBH tunes an Aston Martin V12 Vantage into the Bulldog GT

We love one-off specials here at Autoweek almost as much as we love the supercars upon which they're based. And if you're a tuner trying to pick a good chassis, we can't think of a much better place to start than the Aston Martin V12 Vantage. That's what Danish company HBH did for its Bulldog GT.

Mercedes S-Class Plug-in Hybrid revealed for Frankfurt 2013

We’ve driven the new 2013 Mercedes-Benz S-Class already this year (and loved it), but now the ‘best car in the world’ has added another feather to its cap. The German firm has released details of a super-high efficiency version of its S-Class saloon called the S500 Plug-in Hybrid, ahead of the car’s debut at the 2013 Frankfurt Motor Show next month. It goes on sale in the UK in 2014, and its vital statistics are absolutely astonishing.

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.