(March 7, 2018, 12:55 PM EST) -- CHEYENNE, Wyo. — Environmental advocacy groups on March 2 filed a brief in Wyoming federal court contending that should the court decide at this time to lift the stay of litigation in a lawsuit over the Methane and Waste Prevention Rule, “the only appropriate subsequent course of action is to complete adjudication of the challenges” to the rule on the merits (Wyoming, et al. v. United States Department of the Interior, et al., No. 16-285, D. Wyo.)....