FIELD: transport.
SUBSTANCE: invention relates to automotive industry. In compliance with claimed method of operation of vehicle with engine engaged with drive shaft, first, defined is if vehicle running in first mode at down slope causes the increase in vehicle speed when vehicle runs or must run over down slope. Said vehicle is operated in second mode if its operation in first mode causes the increase in vehicle speed. In first mode, engine is engaged with drive shaft while fuel feed to the engine is terminated. In second mode, this engine is disengaged from said drive shaft. Invention discloses also the vehicle operation in compliance with above described process.
EFFECT: fuel savings.
22 cl, 9 dwg
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