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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.

Mazda6 preview

Mazda's redesigned Mazda6 (known as the Mazda Atenza in Japan) will make its debut at the Frankfurt Motor Show next month. The new car is an evolution of the original model's front face, bringing forward modern design elements and smoothing out the features for a more streamlined and aerodynamic look. With pronounced front wheel arches and simple shut lines, the car continues along Mazda's styling theme first seen on the Mazda2.

Hyundai loses top U.S. designer

Hyundai's North American design chief, Joel Piaskowski, left the automaker on Dec. 31. Piaskowski is credited as the main designer for the Hyundai Genesis sedan and coupe.