Sen. Mary Landrieu, D-La., chair of the Senate energy committee, spoke Wednesday about getting congressional approval for the Canada-to-Texas Keystone XL pipeline. With her is Sen. Joe Manchin, D-W.Va., a member of the committee.
J. Scott Applewhite/AP
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A TransCanada Keystone Pipeline pump station operates outside Steele City, Neb. The State Department is extending the review period for the pipeline, given ongoing litigation in Nebraska over the project.
Lane Hickenbottom/Reuters /Landov
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TransCanada President and CEO Russ Girling comments on the approval of the Keystone XL pipeline route through Nebraska during a January 2013 news conference in Calgary, Alberta.
Todd Korol/Reuters/Landov
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A 2012 photo shows sections of pipe on a neighboring property to Julia Trigg Crawford family farm in Sumner Texas, in the path of the Keystone pipeline. TransCanada said today that it is delivering oil through the Gulf Coast portion of its proposed Keystone XL pipeline, from a hub in Cushing, Okla., to Houston-area refineries.
Tony Gutierrez/AP
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Daryl Hannah is handcuffed and arrested during the Keystone XL Pipeline Protest at Lafayette Park in Washington on Wednesday.
Leigh Vogel/Getty Images
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President Obama announces support for building an oil pipeline from Oklahoma to Texas, Thursday in Cushing, Okla.
Tom Pennington/Getty Images
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Demonstrators march with a replica of a pipeline during a protest to demand a stop to the Keystone XL tar sands oil pipeline outside the White House last November.
Evan Vucci/AP
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