FIELD: engines and pumps.
SUBSTANCE: method for the engine is proposed. It includes the steps of supplying high-octane fuel to the fuel tank for high-octane fuel and feeding low-octane fuel to the low-octane fuel tank, injecting high-octane fuel into the engine using the first procedure or low-octane fuel using the second procedure in response to the first state and secondary air injection and injecting low-octane fuel into the engine using the first procedure or high-octane fuel in using the second procedure in response to the second state and secondary air introduction.
EFFECT: improved efficiency.
7 cl, 15 dwg
