FIELD: internal combustion engines; power plants; motor transport. SUBSTANCE: engine fuel system includes fuel gas bottle, intake and exhaust pipe lines, tube with valve connecting the crankcase and intake pipe line. Intake and exhaust pipe lines are hermetically connected by means of reservoir provided with water jacket. Exhaust pipe line provided with valve is additionally connected with intake pipe line fitted with valve and fan through tank filled with water and provided with cooler. This tank is connected with other tank by means of pipe line. Other tank is equipped with pump; atmospheric tube fitted with valve and part of exhaust pipe line are located in this tank. Intake pipe line is connected with oxygen bottle. EFFECT: avoidance of effect of waste gases on surrounding medium; enhanced efficiency of ecological protection of environment. 2 dwg
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