Posted on 05/25/2011 5:26:20 AM PDT by thackney
If you have a professional interest, I am one of the instructors in a seminar on this subject and others related to refinery profitability. Here is a link http://www.petroleumrefining.com/index.php?option=com_content&view=article&id=26:how-to-improve-refinery-profit-margins&catid=4&Itemid=2
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