Do we want to end up using coal or wood to heat homes again?

Air quality in California prevented using oil or coal for power production.

But most of the new independent projects in the East will use natural gas or coal.

What are the names of the main power stations using coal?

They were designed to be able to use both coal and oil as fuel sources.

Later, ships would use coal for fuel until the 1930s, when oil began to be used.

In 1906, the engine was converted from using coal to oil.

The higher the price of the permits, the more expensive it is to use coal rather than gas.

There are many disadvantages to using coal as an energy source.

But the price for using coal was paid by degrading the quality of the air.