Suspected of starting a local wildfire, a coal fire underneath a popular Boulder, Colorado, open space has been put out. Coal fires can burn for as long as there is fuel. Colorado's Division of ...

Mining activity ceased at the site in the early 1900’s, but the coal still left in the ground has been burning ever since. Previous coverage: Work begins to mitigate decades-old underground fire in ...

Once the dominant source of energy in the United States, today, 401 coal units supply roughly 16 percent of the nation’s grid ...

Less than a year ago, Rocky Mountain Power (RMP), PacifiCorp’s division in Idaho, Utah and Wyoming, said its Hunter and ...