REFINERY MARGIN TRACKER: US refiners’ discipline pays off as margins rise but coronavirus resurgence looms2020-10-052020-10-05/wp-content/uploads/liberty-petroleum-icon-logo2.pngLiberty Petroleum Corp/wp-content/uploads/liberty-petroleum-icon-logo2.png200px200px
US refinery margins are picking up as demand inches higher, runs stay low and inventories…