noun
running expenses; operational costs
Refers to the ongoing costs required to operate a vehicle, machine, or business.
車の運転費はガソリン代だけじゃない。
The running expenses of a car aren't just the cost of gasoline.
工場の運転費を削減する必要がある。
We need to reduce the factory's operational costs.
Compound of 運転 (operation, driving) and 費 (cost, expense).