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…
Puerto Libertador Mine – Colombia
The following article provides a comprehensive overview of the Puerto Libertador coal mining area in Colombia. It covers the mine’s location and geology, the types of coal extracted, mining methods…
Why Some Countries Still Depend Heavily on Coal
The role of coal in the global energy landscape remains both pivotal and controversial. Despite accelerating investments in clean power, numerous nations continue relying on coal-fired plants for a sizable…
Why India Remains One of the Largest Coal Consumers
The global energy landscape has long been anchored by coal, a resource that fuels power plants, drives industrial processes, and shapes economic forecasts. From the heart of Asia to the…
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…
Chirimiri Coalfield – India
The Chirimiri Coalfield is one of the historic mining areas of central India, with a long-standing role in supplying coal to the region’s industries and power plants. Located in the…
F-grade coal
This article explores the characteristics, occurrence, production, economic role and industrial significance of what is commonly referred to as F-grade coal — a practical label used in some markets and…
Why Coal Remains Controversial in Climate Discussions
The significance of coal extends far beyond its role as a simple energy source. From powering the early steam engines of the Industrial Revolution to generating electricity in modern power…
E-grade coal
This article explores E-grade coal — a commercial classification commonly used to describe lower-rank thermal coals with specific physical and chemical characteristics. It covers where such coals are found and…









