The 2008 Paris Motor Show sees Citroën take the wraps off its C4 WRC HYmotion4 concept car, the first WRC car to be equipped with a hybrid energy recovery system which delivers added performance and lower emissions.
This system can significantly enhance the efficiency of a competition car during the different running phases:- Braking energy is not entirely dissipated in the environment,- The availability of additional torque thanks to an electric motor increases the internal combustion engine's useful rev range,- At a constant speed in electric mode, the vehicle benefits from a longer range (plus 40km), while fuel consumption on road sections is reduced by 30%.
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