Incredible rates of domestic oil production indicate that refinery utilization is running at maximum capacity. Still, refining stocks took a big hit yesterday on news that the price of renewable energy credits skyrocketed, illustrating there is still risk aplenty in this industry. In this video, Motley Fool contributor Aimee Duffy takes a look at three other ways that companies can benefit from increased refining activity: export capacity, maritime services, and sulfur services.  

Fool contributor Aimee Duffy has no position in any stocks mentioned. Click here to see her holdings and a short bio. If you have the energy, follow her on Twitter, where she goes by @TMFDuffyFool contributor Tyler Crowe has no position in any stocks mentioned.

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