Mealey's (September 14, 2018, 11:30 AM EDT) -- DENVER — The U.S. Department of the Interior (DOI) on Sept. 12 filed a brief in the 10th Circuit U.S. Court of Appeals arguing that a case brought by the state of Wyoming challenging the Methane and Waste Prevention Rule issued by the U.S. Bureau of Land Management (BLM) with regard to hydraulic fracturing operations is “prudentially moot” because it is a challenge to an order that pertains to a regulation that will “imminently be replaced” (Wyoming, et al. v. United States Department of the Interior, et al., 18-8027, 10th Cir.)....