Refining margin (usgc heavy sour coking) price - nominal reached USD 8.10 per bbl in 2013 in the World, according to . This is 0.947% less than in the previous year.
Historically, Refining Margin (USGC Heavy Sour Coking) Price - Nominal in the World reached an all time high of USD 13.5 per bbl in 2007 and an all time low of USD 1.27 per bbl in 1999.
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