As companies race to develop pipelines from the booming Permian Basin, two competing pipeline developers could join efforts.

Marathon Petroleum executives said Tuesday they’ve initiated exploratory talks with Exxon Mobil and Plains All American Pipeline of Houston to combine efforts on a Permian-to-Gulf Coast pipeline to maximize capital efficiency.

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If it proceeds with Exxon and Plains, Marathon Petroleum would leave another pipeline project it’s involved in called the PGC Pipeline. [read more]