In this edition of One Tank Trips, we are going underground - and back in time - for an up-close look at a coal mine in Carbon County.

The company will mine metallurgical coal, but an environmental group worries the project will exacerbate mine drainage problems in the Laurel Highlands.

The Pennsylvania Department of Environmental Protection has approved the expansion of an underground coal mine in Westmoreland County. Johnstown-based LCT Energy LP operates the 2,800-acre Rustic ...