Mealey's (April 29, 2019, 11:00 AM EDT) -- WASHINGTON, D.C. — The U.S. Supreme Court on April 29 denied certiorari sought by environmental groups that contended that a lower court erred when it ruled that federal law preempted the review process for the construction of a pipeline that would carry hydraulically fractured gas through several counties in Pennsylvania (Delaware Riverkeeper Network, et al. v. Secretary of Pennsylvania Department of Environmental Protection, et al., No. 18-1106, U.S. Sup.)....