(Source: Pittsburgh Post-Gazette, March 13, 2015)
PITTSBURGH, Pa. — Diesel exhaust and dust from trucks carrying thousands of loads of coal to the Homer City Generating Station had turned trees along the route black. Those trips — and the accompanying pollution — were eliminated after the Buffalo & Pittsburgh Railroad rebuilt a former Baltimore & Ohio spur line in 2005. Each train can deliver the equivalent of several hundred truckloads of coal to the electricity-generating plant in Center, Indiana County.
Full story: Pittsburgh Post-Gazette