Valero Refinery Explosion Disrupts Texas Operations - Cozzy Energy Solutions Valero Refinery Explosion Disrupts Operations in Port Arthur, Texas Port Arthur, Texas — An explosion and subsequent fire occurred at Valero Energy’s Port Arthur refinery on March 23, 2026, impacting operations at the 435,000-barrel-per-day facility. The incident, which took place around 6:30 p.m. CDT, prompted a temporary shelter-in-place order for residents of Port Arthur, Groves,

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