"Oil Refining's Fortunes Rise"
"THREE RIVERS, Tex. — The refinery business has long been the difficult stepchild of the oil industry, expensive to run, prone to accidents and a low-margin headache for executives who preferred drilling for gushers. But signs of the improving fortunes for the industry can be seen at Valero Energy's Three Rivers refinery here, about 70 miles south of San Antonio at the doorstep of a giant new shale oil field."