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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.

Ford prices new 2012 Focus ST from £21,995

Ford has confirmed prices for the new Focus ST. The new 247bhp hot hatch will cost from £21,995 for the hatchback, or £23,095 for the Focus ST estate. That undercuts the VW Golf GTI, which has bumped up in price in recent years to a stout £25,330 despite having a more modest 207bhp. It also makes it better value than the £26,995 Vauxhall Astra VXR and Renaultsport Megane RS 265 at £24,840.

BMW 5-Series GT introduces liftback model

BMW will bring the elevated seating and packaging of an SUV to its 5-series line with the addition of a liftback model called the Grand Turismo or, simply, GT. The automaker is now revealing the production look for the vehicle, which will debut at this fall's Frankfurt motor show after having been previewed as a concept car at the Geneva show in March. It will go on sale in the United States in December, priced in the low-$70,000s range.