FIELD: machine building.
SUBSTANCE: invention relates in particular to a method of motivating a driver to switch gears to a higher gear when this is beneficial for improving fuel economy. Disclosed is method of reducing amount of fuel consumed by engine 105 of car 100. This method limits speed at which engine 105 can rotate when NECOOL engine preset upper limit is achieved for specific gear, on which car 100 is currently running, or limits speed of vehicle 100 on road at preset speed of vehicle on road. Using limitation of engine rotation speed or vehicle speed on the road induces the driver to increase transmission, and in combination with warning to driver through 103U indicator that switching to a higher gear is required, optimizes fuel economy.
EFFECT: technical result is reduction of amount of fuel consumed by vehicle engine.
20 cl, 2 dwg
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