%0 Conference Article %T THE FREQUENCY OF ENGINE OIL REPLACEMENT, TAKING INTO ACCOUNT THE OPERATING CONDITIONS OF CARS IN MODERN CONDITIONS %A Popov, D.A. %A Kadyrmetov, A.M. %A Goryachev, N.A. %A Derevyanko, P.I. %K automobiles, maintenance frequency, engine oil, methods for determining the frequency %J Problems of road transport operation and ways to solve them on the basis of promising technologies %D 2022 %P 3 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov