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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.

Ferrari to revive GTO name

Ferrari is set to return the evocative GTO (Gran Turismo Omolagato) name to its lineup on a limited-edition, two-seat version of the F599 Fiorano GTB. The new car, conceived to run bodywork and mechanical components from the Italian carmaker's race-bound 599XX, is expected to make its public debut at the Paris motor show in September--marking the first time the GTO badge has been applied to one of Ferrari's road cars since the launch of the much-revered 288 GTO in 1984. Among the changes brought to the new car is a series of carbon-fiber exterior panels, a stripped-out interior and specially developed alloy wheels--all aimed at lowering the weight by 132 pounds from the 3,718 pounds of the F599 Fiorano GTB.

Audi A3 hatch, Sportback and saloon (2012) sketches

Audi has released a batch of official design sketches revealing the new 2012 Audi A3. This is our first glimpse of the new A3 hatch, A3 Sportback and A3 saloon. There will be another A3 cabriolet, but no renderings have been issued yet.