Publication Date



[Excerpt] This report describes the Keystone XL pipeline proposal and the process required for federal approval. It summarizes key arguments for and against the pipeline put forth by the pipeline’s developers, federal agencies, environmental groups, and other stakeholders. Finally, the report reviews the constitutional basis for the State Department’s authority to issue a Presidential Permit,and opponents’ possible challenges to this authority.


Suggested Citation

Parfomak, P. W., Nerurkar, N., Luther, L. & Vann, A . (2011). Keystone XL Pipeline project: Key issues. Washington, DC: Congressional Research Service.

A more recent version of this report can be found at: