We should be looking for ways to stop using oil no matter where it comes from.

Then, about 1890, a new process using light oil came into use, he said.

It is also an oil used for an energy source.

You may claim for oil used within the last three years.

Often this is enough, but sometimes she uses oil as well.

The leaves and the oil are used to make medicine.

How long did one of them stay lit before the oil was used?

However, they do help use less oil, which is a good thing for many applications.

The oil from the tree is used as a medicine.

We will use only high quality olive oil and very little of it.