97 Bombardier Ski Doo Mxz 670 Rear Suspension Arm Ng on 2040-parts.com

Tomorrow’s world: Fiat's MultiAir engine tech

By Jesse Crosse Motor Industry 14 October 2009 16:50 Fiat this year launches what it claims is a big step forward in variable valve timing: MultiAir. It's the first time that a manufacturer has made a properly variable valve system a production reality, and will slowly be rolled out across most of Fiat's and Alfa's car ranges.How does Fiat's MultiAir vary from existing variable valve timing (VVT) systems?Current VVT systems rely on mechanical systems to open and close the valves. Engineers have long understood the benefits of changing valve opening and closing times to tweak an engine's power and emissions performance, depending on the need for power or parsimony.Valves are an engine's nose and mouth – it inhales through inlet valves and exhales through exhaust valves.

Volvo V40 (2012) first official pictures

This is the all-new Volvo V40, the Swedish car company’s latest rival to the Ford Focus, VW Golf et al. It will be officially unveiled at the 2012 Geneva motor show next month. Volvo is being particularly bullish about the prospects of its new V40, with Volvo president and CEO Stefan Jacoby claiming the new model ‘will give our toughest competitors a headache’.

One Lap of the Web: Lamborghini Gallardo replacement, Audi scrutineering and a morning dose of classic sheetmetal

We spend a lot of time on the Internet -- pretty much whenever we're not driving, writing about or working on cars. Since there's more out there than we'd ever be able to cover, here's our daily digest of car stuff on the Web you may not otherwise have heard about. Details regarding the Korres Project 4 have surfaced today.