• December 13, 2025
Cleaned coal

This article examines cleaned coal — both the material produced by beneficiation (washing and preparation) and the suite of technologies often marketed as “clean coal” aimed at reducing the environmental…

  • December 11, 2025
Korba Coalfield – India

The Korba Coalfield is one of India’s most important coal-producing regions, underpinning heavy industrial activity and power generation in central India. Situated in the heart of the state of Chhattisgarh,…

  • December 11, 2025
What Happens When a Coal Plant Shuts Down?

Coal has long served as a cornerstone of global energy production, shaping the contours of industry, commerce, and community livelihoods. When a coal-fired power facility ceases operations, ripple effects extend…

  • December 10, 2025
Ultra-low-sulfur coal

Ultra-low-sulfur coal has become an increasingly important commodity in global energy and industrial markets. Characterized by very low sulfur content compared with conventional coals, this product meets stricter emissions requirements,…

  • December 9, 2025
Low-ash coal

Low-ash coal is a high-quality variety of coal characterized by a relatively low proportion of mineral matter (ash) after combustion. Because ash lowers the fuel value, increases handling and disposal…

  • December 6, 2025
Dry steam coal

This article explores the characteristics, occurrence, economic importance and industrial role of dry steam coal — a variety of coal primarily used for heat and power generation. Dry steam coal…

  • December 6, 2025
Lean coal

This article explores the technical, economic and geopolitical dimensions of what is commonly referred to as “lean coal” — lower-energy, lower-volatile types of coal often used for power generation rather…

  • December 6, 2025
Antaibao Coal Mine – China

The Antaibao Coal Mine is one of the better-known coal production sites in northern China. It plays a role in supplying fuel for regional power generation and industry, and it…

  • December 5, 2025
Fat coal

Fat coal — a traditional term used in many coal-producing countries — denotes a high-quality type of coal valued for its energy content and physical behavior during heating. Often associated…

  • December 1, 2025
Sub-bituminous B

Sub-bituminous B coal is a low- to medium-rank thermal coal that plays an important role in contemporary energy systems, particularly for power generation. It sits between lignite and bituminous coal…