TY JOUR TI INTERNAL COMBUSTION ENGINES WITH DIRECT LIGHT FUEL INJECTION: PROBLEMS AND PROSPECTS KW direct injection KW internal combustion engine KW LPG equipment KW monofuel gas engine KW alternative sources of energy JO Alternative energy sources in the transport-technological complex: problems and prospects of rational use of AU Nikulin, M.. AU Novikov, A.. PY 2016 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov