Coal competes primarily in the market for low-cost boiler fuels. Coal is also characterized by a relatively low energy content per unit of weight (at best twothirds that of residual oil). Consequently, low-cost and efficient transportation is...

Coal is a fossil fuel—an energy source whose beginnings can be traced to once-living organic materials. It is a combustible mineral, formed from the remains of trees, ferns, and other plants that existed and died in the tropical forests 400...

Coal mining is the extraction or removing of coal from the earth for use as fuel. A coal mine and its accompanying structures are collectively known as a colliery. For the world history see History of coal mining. See also world coal reserves and major...

Most underground output from the eight dominant hard coal producers of the world, China, the U.S., the CIS, South Africa, India, Australia, Poland and the U.K., is from some adaptation of room (bord) and pillar or longwall methods. The cheapest underground producers are...

The Post belabored unfounded accusations that the administration improperly favors Appalachian coal mining ["Appalachia Is Paying Price for White House Rule Change," front page, Aug. 17] while finding little space to inform readers of the economic and judicial factors that are far more relevant...

The Bush administration is challenging a coal mine proposed in British Columbia, saying it poses an environmental threat that could extend south of the border.The mine that Cline Mining Co. proposed just north of Glacier National Park could cause "significant adverse environmental effects" the United...

The cave-in that trapped six men in a Utah coal mine happened too soon for key safety reforms adopted after a dozen miners were killed in an underground explosion in West Virginia.The reforms were meant to protect miners in the event of a fire, explosion...