REFINERY MARGIN TRACKER: US Gulf Coast margins creep higher as frozen plants return By admin Posted March 15, 2021 In In the News REFINERY MARGIN TRACKER: US Gulf Coast margins creep higher as frozen plants return2021-03-152021-03-15/wp-content/uploads/liberty-petroleum-icon-logo2.pngLiberty Petroleum Corp/wp-content/uploads/liberty-petroleum-icon-logo2.png200px200px As pandemic lockdowns accelerated the process to shutdown excess refining capacity, mid-February’s freeze accelerated the…