370 A.2d 1252 Commonwealth of Pennsylvania, Pennsylvania Public Utility Commission v. Laurel Pipe Line Company, Appellant. Commonwealth Court of Pennsylvania.Argued December 8, 1976 March 21, 1977. Public utilities — Proposed rate increases — Sufficiency of record — Remand — Public Utility Law, Act 1937, May 28, P.L. 1053 — Burden of proof — Duty of […]