SUGAR LAND--December 11, 2020--Researched by Industrial Info Resources (Sugar Land, Texas)--U.S. <a href='https://www.industrialinfo.com/database/petroleumRefining/' target='_blank'>refineries</a> have increased their runs following a low in April, but the COVID-19 pandemic and seasonal factors continue to hold those runs below the 2015-19 average, according to data from the U.S. Energy Information Administration. At the end of October, U.S. runs stood at 14 million barrels per day, about 13% below the average. With such market conditions hindering development, regular maintenance is as important as ever. Industrial Info is tracking 55 planned maintenance-related projects at U.S. refineries that are set to kick off from January through March, with a total investment value of nearly $900 million. Within this article: Details on maintenance-related projects at major refineries across the U.S., including those owned by HollyFrontier Corporation (NYSE:HFC), Phillips 66 (NYSE:PSX) and Valero Energy Corporation (NYSE:VLO).