Importance

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Abstract

A vehicle comprises an internal combustion engine, a wheel propulsion shaft, wheels and a kinetic energy recovery system configured to recover and store kinetic energy of the vehicle, and restore the stored energy by propelling the wheel propulsion shaft and/or by cranking the internal combustion engine. To reduce the emissions of the vehicle, a method for operating the vehicle comprises, when the vehicle operates: when the vehicle is not stationary, recovering and storing kinetic energy of the vehicle in the KERS, when the vehicle is stationary, measuring an energy level stored in the KERS and comparing the measured energy level to a predetermined high threshold value, so that the method comprises, if the energy level stored in the KERS is above the predetermined high threshold value: stopping the internal combustion engine, then when the vehicle start is required, propelling the wheel propulsion shaft exclusively by the KERS.

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First Claim