fossil fuel

There is a limited amount of fossil fuel inside the Earth.

But the biggest driver is the cost of fossil fuel.

Reduction will see us trying to cut the amount of fossil fuel we use.

Even coal, a fossil fuel in wide use, has its problems.

Coal is a black rock, and a solid fossil fuel.

Will the environmentalists support construction of fossil fuel or nuclear power plants?

It is the main constituent of natural gas, a fossil fuel.

One of the causes is the nation's heavy reliance on fossil fuel for energy.

This is especially true if we also take the fossil fuel subsidies out of the equation.

There is certainly plenty of fossil fuel left below ground to meet rising demand.