The Seaway pipeline, the joint venture between Enterprise Products Partners (NYSE:EPD) and Enbridge (NYSE:ENB), has taken on a life of its own, as speculators are trying to gain access to the last bit of capacity to sell the space on a secondary market. In this video, contributor Aimee Duffy explains what is going on and why this pipeline matters so much to oil producers and investors alike.

Fool contributor Aimee Duffy has no position in any stocks mentioned. If you have the energy, follow her on Twitter where she goes by @TMFDuffy.

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