HOUSTON, June 20 (Reuters) – Marathon Petroleum continued assessing damage on Friday to the shut residual hydrotreating unit (RHU) at its 631,000-barrel-per-day Galveston Bay Refinery in Texas City, Texas, from a June 14 fire, said people familiar with plant operations. The assessment began after the fire on the 64,000-bpd RHU was extinguished on the night … Read more