Mears gambled with track position, and took on only fuel.

This only fuels his rage at the medical establishment, which he suspects of plotting against him.

Coal was a rare commodity in those parts, the only available fuel being wood.

In some areas, smokeless coal is often the only solid fuel used.

Uranium-235 isn't the only possible fuel for a power plant.

That Norvir was discovered with public funds only fuels the debate.

When people find specific impulse, the only fuel counted is in the rocket motor before it gets fired.

Coal is the only natural fuel found in the country in any abundance.

The only fuel we use is a few logs in the stove.