Gas coal
This article explores the nature, distribution, economic importance and industrial uses of gas coal — a form of coal with distinctive physical and chemical properties that make it valuable for…
Soft steam coal
This article explores the characteristics, distribution, economic role and industrial importance of soft steam coal. Soft steam coal—commonly identified with certain grades of bituminous coal used primarily for thermal applications—remains…
Hard steam coal
Hard steam coal is a widely used category of solid fossil fuel, valued for its relatively high energy content and versatility across power generation and industrial processes. This article examines…
Amlohri Mine – India
The following article presents a comprehensive overview of the Amlohri Mine, a coal mining site in India. Publicly available, mine-specific data for Amlohri are limited; therefore the narrative combines verified…
Ultra-supercritical coal grade
The term ultra-supercritical is most commonly associated with advanced steam cycle technology used in coal-fired power plants, not a standalone type of coal. However, certain coal qualities are particularly suitable…
High-moisture coal
High-moisture coal is a broad category of low-rank coals that contain a significantly higher share of water in their natural state than medium- and high-rank coals. These coals play an…
Jingyang Coal Mine – China
The Jingyang Coal Mine is an important element within China’s vast coal mining landscape. Located in a region with a long history of mineral extraction, the mine contributes to local…
House coal
House coal — commonly sold as lumps of coal intended for domestic heating and small-scale use — remains an important yet controversial energy commodity in many parts of the world.…
Zhundong Coal Field – China
The Zhundong Coal Field in northwestern China is one of the country’s most discussed and strategically important coal provinces. Located in the eastern part of the Junggar (Dzungarian) Basin in…
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…









