| 摘要 |
A running control unit receives fuel residual quantity information from each vehicle by radio to deduce a period of time, during which the vehicle can operate, on the basis of the information and vehicle fuel consumption rate information in a database. Also, the running control unit reads production information, production planning information, and oil station information from a data base to calculate are fueling permissible number, for which refueling may be done simultaneously at the oil station, on the basis of these information and information of the number of the vehicles. Then the running control unit makes up refueling schedules for a plurality of vehicles on the basis of an operating period of time for each vehicle and the refueling permissible number.
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