• December 18, 2025
G-grade coal

This article examines the properties, distribution, economic role and industrial significance of a category frequently referred to as G-grade coal. The term can have several meanings depending on national standards…

  • December 15, 2025
Kusmunda Mine – India

The Kusmunda Mine is a prominent coal mining complex in central India whose operations, geology and local economic impact make it an important node in the country’s energy and industrial…

  • December 9, 2025
Ultra-low-ash coal

Ultra-low-ash coal occupies a niche but increasingly important position within the global coal complex. Defined by its exceptionally low residue after combustion or processing, this coal type serves as a…

  • November 24, 2025
Anthracite

Anthracite is the highest rank of coal, prized for its high-grade energy content and distinctive physical properties. This dense, hard variety of coal has played an important role in industry,…