1.   Coal was used to smelt the steel for the tinplate and petrol to transport all the parts and goods.

2.   Later they changed to steam power, using the coal which was mined locally.

3.   One energy mix simply chose the cheapest options for supplying energy - using entirely coal, oil and natural gas.

4.   Then local coal was used for steam power in the same factories.

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

6.   This will enable it to continue using British coal, which has a relatively high sulphur content, while meeting EC standards on sulphur emissions.

7.   A power plant in Queensland, Australia, and another in China will use coal, while the U.K. projects will use natural gas from the North Sea.

8.   But the two cogeneration plants have not used coal to date.

9.   Coking coal is used to make steel.

10.   Duke buys coal with about a pound of sulfur in each ton, but many Midwestern plants use coal with three times as much.