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…
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…
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…



