Volkswagen has taken the wraps off its Golf TDI Hybrid, capable of 89g/km and 83mpg.
In order to achieve these high levels of efficiency, the VW engineers have fitted the Golf with a 1.2-litre three-cylinder diesel engine that works in tandem with a 220V electric motor.
The electric motor powers the car from standstill with the little diesel engine engaging only if extra acceleration is needed or when driving at motorway speeds.
Under braking, the electric motor operates as a generator ...
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