(September 14, 2020, 1:18 PM EDT) -- HARRISBURG, Pa. — The Pennsylvania Department of Environmental Protection (DEP) on Sept. 11 issued an administrative order suspending all work by Sunoco Pipeline LP on the Mariner East 2 pipeline in Chester County, Pa., while the company submits plans to change the original route of the pipeline, which is designed to transport hydraulically fractured oil and gas from shale formations in Pennsylvania to refineries in Marcus Hook, Pa. (In the matter of: Sunoco Pipeline LP, Pa. DEP)....