REFINERY MARGIN TRACKER: Rising RINs costs pump up US refinery margins By admin Posted February 1, 2021 In In the News REFINERY MARGIN TRACKER: Rising RINs costs pump up US refinery margins2021-02-012021-02-01/wp-content/uploads/liberty-petroleum-icon-logo2.pngLiberty Petroleum Corp/wp-content/uploads/liberty-petroleum-icon-logo2.png200px200px US refining margins rose last week as higher RINs prices increased the cost of meeting…