brown coal
Frequency: 4.82.5 per million words
A type of soft coal with low heat content, also known as lignite.
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Examples (10)
- The local power station primarily burns brown coal to generate electricity.
- Burning brown coal is known to release significant amounts of CO2 into the atmosphere.
- Large deposits of brown coal, or lignite, are found in Germany and Australia.
- Due to its high moisture content, brown coal is less energy-efficient than hard coal.
- The open-pit mine extracts thousands of tonnes of brown coal each day.
- The region's economy was historically dependent on the mining of brown coal.
- Scientists are researching cleaner ways to utilize the world's vast brown coal reserves.
- Brown coal is a soft, combustible sedimentary rock formed from naturally compressed peat.
- The government announced a plan to phase out power plants that use brown coal.
- Several countries still rely heavily on brown coal as a primary energy source despite environmental concerns.