• June 9, 2026
Composite coal

This article examines the subject commonly referred to as composite coal — a term that can denote both geological composite samples and engineered blends of different coal types used to…

  • June 8, 2026
Synthetic coal

This article examines the phenomenon commonly referred to as synthetic coal alongside conventional coal. It covers geological occurrence, extraction methods, economic and statistical context, industrial uses, environmental consequences, and emerging…

  • June 7, 2026
Recycled coal fines fuel

This article examines the topic of recycled coal fines as a fuel: what they are, where they are found and recovered, how they are processed and used, their economic and…

  • June 5, 2026
Formed coal blocks

Formed coal blocks are an engineered form of solid fuel made by compressing or agglomerating coal fines and other binders into uniform, handleable pieces. Widely used for domestic heating, industrial…

  • June 4, 2026
Engineered coal fuel

This article examines engineered coal fuel as a category of processed and upgraded coal products used across power generation, industry and synthetic fuel production. It covers geological occurrence and mining…

  • June 3, 2026
Reconstituted coal

Reconstituted coal is a manufactured solid fuel produced by agglomerating or otherwise processing coal particles and wastes into a uniform, transportable, and often higher-value product. It sits at the intersection…

  • June 1, 2026
Low-smoke briquettes

Low-smoke briquettes made from coal represent a specialized segment of solid fuels developed to combine the high energy density of coal with significantly reduced visible smoke and fine particle emissions.…

  • May 31, 2026
High-density coal briquettes

High-density coal briquettes are a manufactured fuel product created by compressing fine coal, usually of higher-rank varieties, into compact, uniform blocks with enhanced mechanical strength and energy density. These products…

  • May 30, 2026
Brown coal briquettes

Brown coal briquettes — a form of compacted lignite — have played a significant role in regional energy systems, industrial processes and household heating for more than a century. This…

  • May 28, 2026
Lignite briquettes

Lignite briquettes, a processed form of low-rank coal commonly called lignite or brown coal, play a distinctive role in regional energy systems and small-scale heating applications. This article explores where…