Method for assessing the energy efficiency of a vehicle taking into account the load under operating conditionsUmidulla Abdurazzokov, Bakhramjan Sattivaldiev, Ravshan Khikmatov and Shakhnoza ZiyaevaE3S Web Conf., 264 (2021) 05033DOI: https://doi.org/10.1051/e3sconf/202126405033