A concept for economizing on fuel, for reducing CO2 and pollutant emissions, and at the same time for increasing driving pleasure and driving comfort is provided by hybrid electric vehicles (Hybrid Electric Vehicle, HEV). For drive purposes these vehicles use both an internal- combustion engine and at least one electric motor (electrical machine). There are in this respect a multitude of HEV configurations which partly pursue different optimization objectives and which utilize to differing extents electrical energy to drive the vehicle.
KeywordsCombustion Torque Tate
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