The government has set high targets for power stations to replace coal with renewable materials.

"In the 1990's, it will play an important role in replacing coal."

There is a plan to replace coal with gas in Shanghai by 2010.

During the war, the railway increased its transport of wood, used to replace coal.

Fears that natural gas would replace coal in generation, thus meeting 2030 targets years early for example?

Demand fell as oil began replacing coal for fuel.

Demand looks set to increase steadily at about 1.4% a year, as clean-burning gas replaces oil and coal.

In the 1990s, cheap natural gas replaced coal as the favorite choice of Texas utilities.

Oil was replacing coal as the nation's main energy source and the industry was threatened.

The goal is to replace coal with cleaner burning natural gas.