Oil rose further above $30 a barrel on Tuesday, lifted by hopes that OPEC and non-OPEC producers may be edging closer to a deal to tackle one of the biggest supply gluts in decades. The Organization of the Petroleum Exporting Countries is making renewed calls for rival producers to cut supply alongside its members, but Russia, seen as key to any deal, has so far refused to cooperate. Iraq’s oil minister said on Tuesday he saw some flexibility for a deal between OPEC and non-OPEC. Brent crude rose 17 cents to $30.67 a barrel by 1102 GMT (6:02 a.m. ET), rebounding from an earlier decline. It reached $27.10, its lowest since November 2003, on Jan. 20. U.S. crude was up 7 cents at $30.41. “Without a production agreement, fundamentals […]