the markets are being underpinned by optimism over improving U.S. fuel demand with the official start of the U.S. summer driving season this Monday, Memorial Day, and a private industry report showing a drop in weekly inventory estimates. Both events are canceling worries over the possibility of increased supply from Iran Today’s EIA inventories report, due out at 14:30 GMT, is expected to show a draw of 1.0 million barrels. Matching the forecast should underpin prices.