An offshore oil platform is seen at the Bouri Oil Field off the coast of Libya August 3, 2015. Oil prices rose on Tuesday as the dollar slipped to an 18-month low against the yen, potentially spurring fuel demand, but gains were restricted by rising Middle East output that renewed concerns of a global supply overhang. The international Brent crude benchmark LCOc1 was trading at $46.04 per barrel at 0210 GMT, up 21 cents from its last close. U.S. West Texas Intermediate (WTI) crude futures CLc1 were 20 cents up at $44.98 a barrel. Higher oil came on the back of a slumping dollar, which makes purchases of dollar-traded fuel cheaper for countries using other currencies, potentially spurring demand, as well as strong investor interest in oil. The dollar has lost over 7 percent of its value this year against a basket of other leading currencies .DXY and it […]