The Exxon Mobil Corp. Texas refinery that’s set to become America’s largest oil-processing plant had to tap temporary crews to keep making gasoline and diesel during a worker lockout as the fuel industry prepares for a strong rebound this summer. With the help of trained temporary employees and contractors, the Beaumont refinery has sufficient resource to “safely and efficiently operate,” the oil giant said in a statement Monday. It’s the first time the refinery has faced such a situation, and it’s unclear how it may affect production. American refiners are racing to build up gasoline supplies to meet what they hope ... (full story)