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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.

This week in 1994: We meet the Rolls-Royce Flying Spur

Rolls-Royce introduced the Flying Spur in 1994 as the fastest vehicle the brand had ever made. Its top speed was 140 mph and it flew to 60 mph in seven seconds flat with the help of the 6.75-liter turbocharged V8 under the hood. The only catch?

Ford recalls trucks to fix fuel-tank straps

Ford is recalling 1.1 million pickups to fix fuel-tank straps that can corrode and possibly break. The recall covers 1997-2003 Ford F-150s, F-250s and the Lincoln Blackwood pickup. The fuel-tank straps could corrode over time, leading to failure and the tank dropping to the pavement.