Delaware Riverkeeper Network, Municipalities, and Pennsylvania Physician Prevail in PA Supreme Court on Act 13, Municipal Preemption Law Gas Industry Takeover Law thrown out by State’s Highest Court December 19, 2013 by Editor in National, News Delaware Riverkeeper Network, Municipalities, and Pennsylvania Physician Prevail in PA Supreme Court on Act 13, Municipal Preemption Law Gas Industry Takeover Law thrown out by State’s Highest Court Share next post Pennsylvania Supreme Court Rules Further on Act 13 Challenge Plaintiffs Environmental, Municipal and Doctor Once Again Set Important Precedent