What has been the most controversial topic in the U.S. refining industry over the last 10 years? Well, it’s a matter of opinion but, judging from time spent in earnings conference calls, law offices, courtrooms, congressional committees, the White House, and other forums of business and political debate, Renewable Identification Numbers — or RINs — would have to be a top contender for that prize. In today’s RBN blog and the final episode of this series, we consider two differing viewpoints on the effects of the RIN system and specific disagreements — or are they misunderstandings? — about the financial consequences of RINs that have dominated the debates and legal cases.

