VLONYSE

Sundry Photography/iStock Editorial via Getty Images Valero Energy (VLO), the largest buyer of Mexican crude, has cut purchases from the country to just a single cargo this month, as it…

Rangsarit Chaiyakun/iStock via Getty Images A diesel hydrotreater and the control room for multiple hydrotreating units at Valero Energy’s (VLO) 380K bbl/day ​Port Arthur, Texas, refinery were destroyed by a…