The Organization of Petroleum Exporting Countries said Tuesday oil supply growth from non-member states, mainly from North America, was greater than expected. OPEC published its monthly oil market report Tuesday. It said supply from non-member states for the year is expected to increase by 1.2 million barrels per day. Non-members should be able to duplicate that level of production next year. “Non-OPEC supply growth in 2013 has performed better than initially expected to stand at 1.2 million bpd,” the cartel’s report said. “Growth is supported mainly by the United States and Canada, adding around 1 million bpd.” Much of the oil production gains in North America have come as a result of the exploration of shale deposits. OPEC said Canadian oil production should average 3.9 million bpd for 2013. Last month, U.S. oil production passed the 8 million bpd mark for the first time […]