It was merely a diamond chip, useful for saving the candles and oil on long journeys.

But a requirement for alternative fuel for fleet vehicles might save oil at an unjustifiably high cost, he said.

Besides saving oil, increased use of bicycles will save urban space and help solve traffic congestion.

In that time it has saved enough oil to replace all the petroleum that the United States imports for almost three weeks.

He walked over and gently blew it out to save oil.

Mandating tough fuel standards may not be the most fair or effective way to save oil.

To save putting in expensive plant, to save oil.

If we really want to save oil, we will close the loopholes in our definition of passenger cars.

While we're saving oil, we may save a few lives.

Highway speed limits, cut to 55 miles an hour then to save oil, are now being raised in some states.