An increasing number of power plants are being converted to burn coal as fuel to generate electrical power. Data published by the U. S. Department of Commerce(1)(2) concerning the production and consumption of coal in the U. S. is plotted in Figure 1. This information indicates that the consumption of coal by electric power utilities is over 50% of the total coal produced in the U. S. It is probably a safe assumption to assume that the increased usage of coal to generate electricity will continue over the next few years.

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