Oil futures edged up on Tuesday as the U.S. dollar erased earlier gains, but doubts that producers would be able to agree to an output freeze continued to drag on prices. International Brent crude oil futures LCOc1 were trading at $49.34 per barrel at 0125 GMT, up 8 cents from their previous close. U.S. West Texas Intermediate (WTI) crude futures were up 15 cents at $47.13 a barrel. The U.S. dollar retreated from Monday’s two-week high as investors looked ahead to jobs data this week that Federal Reserve Vice Chair Stanley Fischer has said will be important to whether the U.S. central bank raises interest rates soon. A weaker greenback makes oil purchases for countries with other currencies cheaper, potentially spurring demand for the fuel. Yet concerns of a successful outcome to September […]