UPDATE 1-U.S. regulator denies Magellan's proposal to establish an oil marketing arm
November 22, 2017 at 17:34 PM EST
NEW YORK, Nov 22 (Reuters) - A U.S. regulator on Wednesday denied a proposal by Magellan Midstream Partners LP to establish a marketing affiliate to buy, sell and ship crude oil, creating uncertainty for pipeline competitors with similar arrangements.