An oil fire flashed and burned on the horizon behind him.

But the oil fires, he pointed out, are at ground level.

Out in the desert, many of the oil fires would burn for weeks.

Trying to put out an oil fire with water makes the fire worse.

After nine laps, however, an oil fire ended his race.

For example, water is typically ineffective on an oil fire, and can be dangerous.

An oil fire is intense and very hard to put out.

There have never been more than a few oil fires simultaneously.

Do you know what an oil fire is like?

During the first years of operation the light was created by an open oil fire.