Both refineries play a substantial role in California's fuel supply chain, with the Wilmington refinery contributing 15% of the asphalt supply in Southern California. "Valero Energy to shut down ...

Valero Energy on Thursday said it would cease operations at its 170,000-barrel-per-day San Francisco-area oil refinery next ...

Valero has a second California refinery in Wilmington, near Los Angeles, which Riggs said costs less money to maintain compared with the Benicia plant. He said the Benicia refinery operates in a ...