| 摘要 |
PROBLEM TO BE SOLVED: To propose handling of a fuel consumption priority mode when deterioration of fuel supplied to an engine is determined.SOLUTION: When it is determined that fuel deteriorates and when a fuel deterioration determination flag F is set to be a value 1, subsequent setting of an economy mode is forbidden, or the setting of the economy mode set at that moment is released, and a mode is set to be a normal travel mode (S130). A travel is transferred to a motor travel so as to give preference to fuel consumption by the setting of the economy mode, a stop of operation of an engine 22 started according to the determination of the deterioration of the fuel is avoided, and the operation of the engine is continued to promote consumption of the degraded fuel. |
