REFINERY MARGIN TRACKER: USGC margins hit 5-year highs as cold weather hits plants

US Gulf Coast refining margins rose for the week ended Feb. 5 as cold weather in the Texas City area caused a power outage, shutting two large refineries owned by Valero and Marathon Petroleum, analysis from S&P Global Platts Analytics showed on Feb. 7. USGC cracking margins for WTI MEH averaged $18.11/b for the week ended Feb. 4, the highest…