TY JOUR TI Energy efficiency assessment of high-speed and high-speed rail transport KW energy consumption KW energy efficiency KW energy efficiency assessment KW energy consumption for train traction KW high-speed train KW high-speed train KW reduced tkm KW kW∙h/seat∙km JO Bulletin of scientific research results AU Valinskiy, O.S. AU Kalinin, N.P. PY 2024 IS 2024 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"