Briefings • Oil Rises on Speculation U.S. Fuel Supply Dropped, Weak Dollar - Oil Rises on Speculation U.S. Fuel Supply Dropped, Weak Dollar. U.S. distillate fuel stockpiles probably fell last week as wholesalers prepared for colder weather. Oil also advanced after a report showed an increase in U.S. manufacturing and as the dollar gave up gains against the euro, boosting the appeal of commodities to investors.