TY JOUR TI The practical features of modernization for fuel systems and engines of port fleet vessels to use the LNG fuel KW gas fuel system KW diesel engine conversion KW ecologic exhaust regulation KW fuel combustion KW price of fuel JO Operation of Maritime Transport AU Epikhin, A.I. AU Khudyakov, S.A. PY 2019 IS PB Budget Educational Institution of Higher Education “Admiral Ushakov State Maritime University”