• July 29, 2026
Geologically mature coal

Geologically mature coal represents the high end of the coalification continuum: material that has been subjected to prolonged burial, heat and pressure, and in many cases tectonic deformation and regional…

  • July 17, 2026
Dull coal

This article examines the topic of dull coal — a descriptive classification of coal distinguished by its matte appearance, particular physical and chemical characteristics, and specific industrial uses. Dull coal…

  • July 8, 2026
Oxidized coal

This article examines the phenomenon of oxidized coal: what it is, where it forms and occurs, how it is mined and handled, and what its economic, industrial and environmental implications…

  • July 7, 2026
Inertinite-rich thermal coal

This article examines inertinite-rich thermal coal: its geological origins, where it is found and mined, its physical and chemical properties, industrial uses, economic importance, market dynamics and environmental implications. The…

  • June 10, 2026
Improved thermal coal

Improved thermal coal refers to conventional thermal coal that has undergone physical or chemical processing to raise its **calorific value**, reduce impurities (ash, **sulfur**, moisture and trace metals), and improve…

  • May 10, 2026
The Race to Create Carbon-Neutral Coal Plants

The global landscape of energy production has long been dominated by coal, a resource that once fueled the Industrial Revolution and still powers a significant share of electricity generation. Despite…

  • April 28, 2026
The Global Race to Replace Coal with Renewable Hydrogen

The Global Race to Replace Coal with Renewable Hydrogen As global economies strive to curb greenhouse gas outputs, the role of coal in energy production has come under intense scrutiny.…

  • April 27, 2026
Low-mercury coal

This article examines the topic of low-mercury coal from geological occurrence to mining regions, market dynamics, industrial uses and environmental implications. Low-mercury coal has become an important commodity as regulators,…

  • March 30, 2026
Super-low-volatile coal

Super-low-volatile coal is a specialized, high-rank form of coal valued primarily for its high fixed carbon content, low volatile matter, and strong performance in metallurgical and high-temperature industrial applications. This…

  • March 26, 2026
De-ashed coal

De-ashed coal is a processed form of coal from which mineral matter (ash) and many inorganic impurities have been substantially reduced or removed. Through a variety of physical and chemical…