• May 30, 2026
Brown coal briquettes

Brown coal briquettes — a form of compacted lignite — have played a significant role in regional energy systems, industrial processes and household heating for more than a century. This…

  • January 24, 2026
Steam-turbine coal

This article examines steam (thermal) coal — the grade of coal primarily used to produce steam for electricity generation in steam turbines. It covers what this coal is, where it…