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Abstract

A system for analysing an energy efficiency of a vehicle having at least one drive device which is configured to generate mechanical drive force by converting energy, wherein the system has a first device, in particular a sensor, configured for detecting a first data record of at least one first parameter which is suitable for characterizing energy which is consumed by the vehicle, a second device, in particular a sensor, configured for detecting a second data record of at least one second parameter which is suitable for characterizing a driving resistance which the vehicle overcomes, a third device, in particular a sensor, configured for detecting a third data record of at least one third parameter which is suitable for characterizing at least one driving state of the vehicle, a first comparison device, which is in particular part of a data processing device, configured for comparing the values of the third data record with predefined parameter ranges which correspond to at least one driving state, an assignment device (8), which is in particular part of a data processing device, configured for assigning the values of the first data record and the values of the second data record to the respectively present at least one driving state, and a processing device, which is in particular part of a data processing device, configured for determining at least one characteristic value which characterizes the energy efficiency of the vehicle, on the basis of the first data record and of the second data record as a function of the at least one driving state.

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