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

Smart For-Us concept unveiled at 2012 Detroit show

Smart made a splash with its world debut at the 2012 Detroit auto show: its For-Us concept car provides a vision of the Smart as an American icon, a pick-up. The diminutive truck - just 3547mm long - is longer than a Fortwo, and is supposed to be based on the running gear of the next-gen Smart Forfour, aka the new Renault Twingo. So if the For-Us doesn't look so much like a Smart any more, from the front at least, that's why.

Koenigsegg's craziest supercar yet debuts at Geneva

Here's what you need to know about the Koenigsegg One:1. It weighs 1,360 kilograms; it produces 1,360 hp. One horsepower per kilogram, which is why mad scientist Christian Von Koenigsegg is absolutely justified in bragging about it: it's the world's first "mega car," he said.

Race2Recovery starts new Dakar challenge

A TEAM of disabled ex-soldiers has arrived in South America to take on this year’s Dakar rally, known as the toughest motoring challenge on the planet. Race2Recovery, the team of severely injured servicemen and civilian volunteers, is taking a second shot at the Dakar after last year becoming the first all-disabled team in history to complete it. This year the 5,600-mile course travels through Argentina and Chile, crossing the Andes mountain range and the Atacama Desert, where temperatures are expected to top 40 degrees Celsius.