TY JOUR TI Analysis of Maintenance Factors Affecting the Energy Efficiency of Electric Vehicles Used In the JSC “Russian Railways” Production Activities KW JSC “Russian Railways” KW electric car KW passenger turnover KW correlation JO Proceedings of Petersburg Transport University AU Populov, Y.V. AU Komyakov, A.A. PY 2025 IS 22 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"