operating costs

Defraying the cost of expensive green-energy system can help families lower their operating costs.

It not only "worked" but the train is about to cover its operating costs much earlier than expected.

While the purchasing price has risen, operating costs of lightbulbs have fallen.

Those efforts are all meant to lower day-to-day operating costs.

They're quiet, environmentally friendly, and have enviably low operating costs.

The latter are really in the nature of investments, and do not properly fall into the category of operating costs.

Make and fill in the blanks of a chart showing the electrical equipment you have and the operating costs per month.

Change of accounting methods vitiates further comparisons of operating costs after 1907.

He thus built his road with the idea of keeping down the operating costs and of showing a larger margin of profit than the others.

Inflation has driven up home prices, operating costs and interest rates.