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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.

Infiniti Q30 concept rendered ahead of Frankfurt motor show reveal

Infiniti has released a rendering of its upcoming Q30 concept, which will be unveiled at this year's Frankfurt motor show in September. The Q30 concept is intended as a contemporary design vision for a future compact vehicle from the brand. "This Infiniti Q30 concept is a prelude to the product portfolio expansion which underpins our aggressive global growth strategy," said Johan de Nysschen, Infiniti president.

Moron drives wrong way up dual carriageway at speed (video)

Moron drives wrong way up dual carriageway at speed We have video of a moron in a Clio driving the wrong way along a dual carriageway in Scotland. What would you do if you found yourself on the wrong side of a dual carriageway? Pull over and call plod?