We know that liquid oil does turn into gas because we can smell oil.

The liquid oil is separated from produced water and may be further refined into high quality products.

Some small percentage of your feather might be a liquid natural oil.

Look for liquid oil as the first ingredient instead of partially hydrogenated oil.

And it still contains more than 50 percent liquid oil, which can diffuse through it.

Talk of not developing any source of liquid oil on environmental grounds is pie in the sky.

If you try to use liquid oil for shortening in such a cake, the texture will change.

So how can solid coal be turned into liquid oil?

These tend to be solid at room temperature but also include liquid tropical oils.

At room temperature sulfotep is a colourless liquid oil.