POTOMAC ELECTRIC POWER COMPANY, PETITIONER, v. UNITED STATES OF AMERICA AND INTERSTATE COMMERCE COMMISSION, RESPONDENTS, CONSOLIDATED RAIL CORPORATION, INTERVENOR. No. 77-1494.United States Court of Appeals, District of Columbia Circuit.Argued May 3, 1978. Decided August 2, 1978. Page 1059 [EDITORS’ NOTE: THIS PAGE CONTAINS HEADNOTES. HEADNOTES ARE NOT AN OFFICIAL PRODUCT OF THE COURT, THEREFORE THEY […]