Actress Daryl Hannah is arrested by U.S. Park Police in front of the White House in Washington during a protest against the Keystone oil pipeline.  (AP Photo/Evan Vucci)

Analysis: Celebrities’ Keystone activism outweighs pipeline’s climate impact

Actress Daryl Hannah hasn’t chained herself to the White House fence in support of tougher power plant emissions. Maybe she should.
Wayne Knox, Assistant Construction Manager - Contractor for TransCanada's Keystone XL project looks at a pipe before it's lowered into the ground in Wood County, Wednesday, Oct. 24, 2012, in Winnsboro. (Cody Duty / Houston Chronicle)

Pipeline defects lead to new federal safety mandates on Keystone XL

Safety regulators have quietly placed two extra conditions on construction of TransCanada Corp.’s Keystone XL oil pipeline after learning of potentially dangerous construction defects involving the southern leg of the Canada-to-Texas project.
Russell "Russ" Girling, president and chief executive officer of TransCanada Corp. (right) speaks with workers during a media event at the TransCanada Corp. Houston Lateral Project pipe yard in Mont Belvieu, Texas, U.S., on Wednesday, March 5, 2014. (Scott Dalton/Bloomberg)

TransCanada explores oil by rail as Keystone XL process drags

TransCanada Corp. is considering ways to deliver Canadian crude oil by rail to the U.S. as customers of its proposed Keystone XL seek an alternative to the delayed pipeline, Chief Executive Officer Russ Girling said.
Welders work on a joint between two sections of pipe during construction of Keystone XL's southern leg in Prague, Oklahoma. (Daniel Acker/Bloomberg)

Unions raise heat on Senate to approve Keystone XL

Labor unions are beseeching senators to pass legislation that would approve the Keystone XL pipeline by circumventing a government review process that threatens to stretch into 2015.
Former Secretary of State Hillary Rodham Clinton addresses the American Jewish Committee (AJC) Global Forum in Washington. (AP Photo/Cliff Owen)

Environmentalists pressure Clinton on Keystone XL

More than two dozen environmental groups are looking to enlist former Secretary of State Hillary Clinton in their fight against the Keystone XL pipeline, pressuring the potential presidential candidate to come out against the project before she makes any bid for the White House.
Vice President Joe Biden  (AP)

Biden to attend fundraiser at home of anti-Keystone XL billionaire

Vice President Joe Biden is planning to headline a fundraiser for Democrats at the home of billionaire Tom Steyer.
(AP Photo/Scott Eells)

Perry blasts Obama energy policy

Texas Gov. Rick Perry is accusing President Barack Obama of talking up the promise of U.S. “energy independence” while imposing policies that are “strangling the energy industry.”

Commentary: Alaska voters hold the key to North Slope

Commentary: As political shenanigans continue to delay approval of the Keystone XL pipeline, Alaskan voters hold the key to avoiding a similar fate for what could be North America’s largest pipeline project.
Crewmen work a site for TransCanada's Keystone XL project in Wood County, Texas. (Cody Duty / Houston Chronicle)

Energy savings bill fails amid election politics

A widely popular, bipartisan energy savings bill fell victim in the Senate on Monday to election-year politics and the Obama administration’s continued indecision on the Keystone XL oil pipeline.
Opponents of the Keystone XL pipeline rally on the National Mall in Washington. (Pete Marovich/Boomberg)

Energy bill mired in Keystone XL dispute

A bipartisan bill to promote many of the same efficiency goals Obama touted Friday in California is expected to go down in defeat Monday amid a dispute over the Keystone XL oil pipeline.