Oil may rise to $55 if all producers cooperate - Iran
"We are receiving positive signals that increase the likelihood of agreement at the meeting ... and I`m optimistic about the situation," Zanganeh told state television by telephone, after meeting OPEC Secretary-General Mohammed Barkindo in Tehran ahead of the Nov. 30 meeting.
The Organization of the Petroleum Exporting Countries is moving closer towards finalising its first deal since 2008 to limit oil output. Photo: Reuters