WASHINGTON, May 18 -- The Williams Companies, Tulsa, Oklahoma, a major U.S. energy infrastructure provider, is calling on the Department of Transportation (DOT) and the Pipeline and Hazardous Materials Safety Administration (PHMSA) to modernize federal pipeline regulations, arguing that current rules can be burdensome, costly, and slow to adapt to technological advancements. In a May 5, 2025, letter responding to a DOT Request for Information on deregulation, Williams outlined concerns and prop more ST