RETRACTED: Analysis of fuel energy efficiency for motor transport in KazakhstanRailya Mukhamadeyeva, Ondassyn Orazov, Kuralay Kassymzhanova, Seilkhan Omirzhan Meirkhanuly and Bakhyt KalievE3S Web Conf., 549 (2024) 07008DOI: https://doi.org/10.1051/e3sconf/202454907008