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Two electric motors doesn’t come from batteries, but flywheel accumulator technology from Williams Hybrid Power.

The flywheel, encased in a carbonfibre safety cell in the space where the passenger seat would be, spins at up to 40,000rpm and acts as a mechanical energy store for the electric motors. Regenerative braking feeds energy back into the flywheel system – no surprises there, as the technology is derived from Williams’ exeprience with Kinetic Energy Recovery Systems (KERS) in F1.  via carmagazine.co.uk

Volvo V60 Plug-in Hybrid becomes an electric car with a range of up to 50 kilometres (Pure mode).

High-efficiency hybrid with carbon dioxide emissions averaging just 49 g/km (Hybrid mode) or a muscular fun-to-drive car with a combined output of 215 + 70 horsepower, 440 + 200 Nm of torque and acceleration from 0 to 100 km/h of just 6.9 seconds (Power mode).

The majority of all European car drivers cover less than 50 km a day, for instance to and from work. On longer trips, the diesel engine is activated automatically, giving the car the same properties and range as a conventional hybrid.