The Philadelphia Energy Solutions refinery in Pennsylvania, the oldest and largest one on the U.S. East Coast, is expected to shut its remaining units on Monday as the plant uses up the last of its crude supplies, sources said on Wednesday. Shipments destined for the refinery, including several from Africa, have been diverted as a result, even though the refinery is still considering ways to access more crude oil to keep the units active for an extended period, the sources said. The 335,000-barrel-per-day refinery experienced an explosion and fire on June 21 in the Girard Point section of the complex, causing the owners to close the facility without an intended restart. The cause of the fire, which started in an alkylation unit, is still unknown. PES has long been a steady buyer of imported crude oil, particularly from West Africa. Sellers of West African crude, […]