If the theory is proved, the world's fuel resources are much greater than assumed.

The state is rich in renewable energy resources but has limited fossil fuel resources.

The shoals are concentrated fuel resources for the great marine predators.

The fuel resource may be required for a unit to be able to move.

We knew then that indigenous fuel resources were declining.

Furze, a fuel resource used by the lower tenants.

Over time, the remaining fossil fuel resources will become more concentrated, as I said, in a rather small number of countries.

Fossil fuel resources are exhaustible and renewable energy is still very much experimental.

The shift to a renewable fuel resource has been a target for many years now.

Since his state has no fuel resources, energy costs in Hawaii are higher than on the mainland.