A type of coal that has a higher heating value than lignite but lower than bituminous coal.

उप-बीटुमिनस कोयला

English Usage: "Subbituminous coal is often used in electricity generation."

Hindi Usage: "उप-बीटुमिनस कोयला अक्सर बिजली उत्पादन में उपयोग किया जाता है।"