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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.

Preview: Goodwood Festival of Speed 2009 – True Grit

By Ben Whitworth Motor Shows 20 March 2009 16:11 The 2009 Festival of Speed – held this year over the weekend of 3-5 July – will honour motorsport’s endurance heroes with a celebration of Le Mans’ 60th anniversary. ‘The Festival will pay tribute to the men who fought against the odds on the track and won,’ Lord March told CAR Online. ‘With drivers like Jochen Mass, Jacky Ickx, Jackie Stewart and Sterling Moss joining us – drivers that went the extra mile in the pursuit of victory – I’m really looking forward to seeing some of the great endurance drivers, riders and machines in action.’ The Festival will also take in a number of other important anniversaries – both Audi and Morgan will be celebrating their centenaries, the Mini will turn 50, and it will mark 40 years of Frank Williams’ involvement in Formula 1.

Renault working on 141mpg plug-in hybrid concept

Renault is working on a 141mpg plug-in hybrid concept car to be shown at the 2014 Paris Motor Show, according to Renault head of research, advanced studies and materials, Remi Bastien. Speaking to at Renault’s ‘Innovations’ event last year – showcasing the French manufacturer’s new technology that will underpin its next-generation models – Bastien revealed the new car will make its debut in 2014. On Bing: see pictures of Renaults Find out how much a used Renault costs on Auto Trader This means the ‘2l/100km’ concept car will likely make its first public appearance at Renault’s home Paris Motor Show in October, debuting experimental technology that could later filter down to other models in the Renault range.