Key Takeaways VLO operates 15 refineries with 3.2 million barrels per day of capacity across the U.S., Canada and Peru.VLO's refineries can process heavy sour, medium/light sour and sweet crude, enhancing feedstock flexibility.VLO can shift between light products and distillates based on market pricing to support margins and profits.Valero Energy (VLO) is a leading refining player with a robust network of 15 refineries located across the United States, Canada and Peru. The company has a combined throughput ...