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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.

Mercedes E63 AMG (2013) first pictures leaked

This is the first image of the facelifted Mercedes E63 AMG super-saloon. Shown here leading the pack in a parade of tweaked E-classes, the E63 will be way out in front on performance too, with Audi RS-challenging all-wheel drive a possibility. What do we know about the new 2013 Mercedes E63 AMG?

More than 1,000 Porsche 911 to celebrate 50th anniversary at 2013 Silverstone Classic

Classic Porsche 911s will be at the Silverstone Classic Anniversary Parde Ferrari managed a record parade of 964 Ferraris at Ferrari’s 2012 Racing Days at Silverstone last year and now, with 2013 being the 50th anniversary of the launch of the Porsche 911, Silverstone are planning a parade of over 1,000 911s at this year’s Silverstone Classic. Mind you, with over 800,000 Porsche 911s produced since the first 911 arrived in 1963, it will have been a lot easier to find 911s than it was Ferraris. In fact, it’s been so easy the applications to take part by 911 owners has been oversubscribed.