Valero Energy Corp has shut its 380,000-barrel-per-day (bpd) oil refinery in Port Arthur, Texas, following an explosion and fire at a diesel hydrotreater unit, people familiar with the plant operations said on Monday.The cause of the explosion at the 47…<p><p>https://www.marinelink.com/news/explosion-forces-shutdown-valeros-port-537213</p></p>