Mealey's (June 18, 2015, 3:47 PM EDT) -- DENTON, Texas — The Texas Oil and Gas Association (TOGA) on Nov. 5, 2014, sued the City of Denton in Texas state court, contending that the ordinance that the city passed banning hydraulic fracturing within the city limits is unconstitutional because it is preempted by state law (Texas Oil and Gas Association v. City of Denton, No. 14-08933-431, Texas Dist., 16th Jud. Dist., Denton Co.)....