What can you do to your car to save fuel?

There's also the question about how much fuel this car is really saving.

The purpose is to reduce the number of evening hours to save fuel.

"And you have to fly over their territory to save fuel?"

If they were saving so much fuel, then the level in the tanks should have been higher.

It's the same when you are told to save fuel.

In summer, people were asked to eat more salads, to save cooking fuel.

"It usually saves fuel," he told himself a week later.

They were still climbing, gradually, to save fuel for the exercise.

She put the flame of her lighter out again to save fuel.