Valero's Port Arthur, Texas, refinery, hit by fire, local media reports Sources: 3 articlesExplosion in Valero-Raffinerie: Feuerball erschüttert Texas (20 Minuten)Valero Port Arthur Refinery Has Fire at Diesel Hydrotreater Unit (Bloomberg Business)Valero's Port Arthur, Texas, refinery, hit by fire, local media reports (Reuters)