TY CONF TI EFFICIENCY OF TRANSPORTATION BY CATEGORY N1 VEHICLES: COMPARATIVE ANALYSIS OF DIFFERENT TYPES OF POWER SYSTEMS TAKING INTO ACCOUNT ROAD OPERATION CONDITIONS KW GAZelle Next KW electric vehicle KW energy efficiency KW operating costs KW road conditions JO MODERN TECHNOLOGIES AND SYSTEMS IN TRANSPORT: PROBLEMS AND PROSPECTS AU Valov, D.V. AU Ilyanov, S.V. PY 2026 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov