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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.

Subaru Levorg concept stars at the Tokyo Motor Show 2013

The Subaru Levorg, eh? This is a ‘concept’ version for a next generation Subaru estate, and though it’s not being explicitly underlined here at Tokyo 2013, we understand the name is an amalgamation of Legacy, Revolution and Touring. While revolutionary wouldn’t exactly be out first choice description, the Levorg does feature a new 170hp 1.6-litre DIT turbo engine, and the latest Subaru EyeSight safety technology.

Zaha Hadid Z-car concept

Zaha Hadid is an Iraq-born and London-based architect, who became the first female recipient of the Pritzker Architecture Prize in 2004. Her ambitious buildings have earned her much acclaim, and having designed the latest BMW factory, Hadid has now turned her sights on cars with the unveiling of the Z-car concept. Not to be confused with the similarly titled Nissan/Datsun, Hadid?s Z-car is a small plastic-bodied monocoque with a prominent lifting door.