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Volvo’s KERS system improves performance and cuts fuel use.

The Volvo S60 with KERS Flywheel (pictured) boosts economy and performance As car makers continue to get bashed by more and more stringent CO2 targets from governments around the world, cleverer solutions are called for to squeeze the best performance and economy balance possible from their products. And Volvo’s new Flywheel KERS system does look promising. Volvo are currently running UK tests of a KERS flywheel system developed by Flybrid Automotive, which takes kinetic energy generated under braking and stores it in a flywheel fitted to the back axle.

Chevrolet Camaro V6 gets power boost from integrated exhaust manifold

General Motors has managed to wring out more horsepower from its 3.6-liter direct-injection V6 and get better fuel economy, too. And the 2012 Chevrolet Camaro gets the benefits. It starts with the old Lotus adage of adding lightness.

OFFICIAL: 2014 BMW 4 Series Convertible

OFFICIAL: 2014 BMW 4 Series Convertible A few days ago we had the first leaked photos of the new BMW 4 Series Convertible, so it was clear BMW were close to revealing the 4 Series Convertible. And here it is. Bigger than the old 3 Series Convertible – and, not surprisingly, looking very like the 4 Series Coupe – the new 4 Series Convertible keeps the folding metal roof the 3 Series had so you really get a proper coupe and convertible all in one.