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The eastern state of Pennsylvania accounted for 6.2% of US coal production in 2016, despite both its anthracite and bituminous operations struggling. The latter is typically used for electricity ...
Coal-burning power plants like this one supply the United States with half its electricity. They also emit a stew of damaging substances, including sulfur dioxide—a major cause of acid rain ...
Key Laboratory of Theory and Technology on Coal and Rock Dynamic Disaster Prevention and Control, National Mine Safety Administration, China University of Mining and Technology, Xuzhou 221116, China ...
Coal is ranked based on the amount of heat and pressure that has acted upon it over the years. Mainly, coal is classified into four types: Anthracite, Bituminous, Subbituminous, and Lignite.
Fires and explosions are not uncommon in coal mines around the world. During the last week of November 2014 for example, two mining tragedies in China claimed 35 lives. Such accidents can have many ...