The American VALERO ENERGY, specialist in refining, bought its fellow national UDS - ULTRAMAR DIAMOND SHAMROCK for USD 4 billion in cash and shares (plus 2 billion in debt take-over), creating the second largest the refining business in the United States after EXXONMOBIL. Its turnover will total USD 32 billion annually with a refining capacity of close to 2 million barrels per day and with a staff of 23,000 people). The USD shareholders will receive 1.228 VALERO shares per UDS share for...