Tags: California, Chevron refinery fire, El segundo, Fire at the chevron refinery in el segundo california, Usa, blast at refinery, california history, california news, chevron, city of el segundo, el segundo ca, el segundo california, los angeles, oil refinery, oil refinery fire, pes refinery, philadelphia energy solutions, philly refinery explosion, philly refinery fire, refinery, refinery explosion, refinery fire, richmond, sunoco refinery, usa 4k, usa travel, usa travel guide