In this thesis, we analysed the hybrid powertrain of a laboratory-modified Renault Twingo. Based on the mathematical calculation of driving resistances and tractive power, we first determined the fuel consumption on the selected route when the vehicle was powered solely by the internal combustion engine. We then examined several cases of hybrid powertrain operation, calculated the battery state of charge, and demonstrated that the electric drive is most appropriate in operating regimes where the internal combustion engine exhibits the lowest efficiency. Finally, we recalculated the fuel consumption and the remaining battery state of charge for the selected route under hybrid drivetrain operation, and we presented the obtained results.
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