Keystone XL

Nebraska’s Public Service Commission cleared the way for the controversial project on Monday. Here's everything you need to know.

Trump on Monday false claimed during remarks to business leaders in Tokyo that construction for the controversial pipeline is underway, even though the project hasn't found buyers yet.

The pipeline had been blocked by Obama, who said it would do nothing to reduce fuel prices for U.S. motorists and would contribute to emissions linked to global warming.

Paul Ryan and Donald Trump used to feud. They don’t any longer.

With a global climate change summit looming, so are fights over Obama proposals.

The project, he said, would have done less than promised for the U.S. economy, and would "undercut" the country's position as a global leader in fighting climate change.

"The pipeline would not make a meaningful long-term contribution to our economy," the president said.

The decision is expected to lead to the project's rejection by the Obama administration.

The president has increasingly signaled the $8 billion pipeline may not be approved.

But all signs seem to suggest it might be on its last legs.

A delay would almost certainly hand the decision for the $8 billion project to a future president.

She called the pipeline a “distraction.”

The controversial project now awaits an administration decision on whether to permit or deny it.

The world’s third largest oil reservoir may never see the light of day.

The temporary injunction was prompted by a lawsuit from 70 landowners who don't want the pipeline on their property.

A final decision from the President could come as early as February.

The decision approves Transcanada's route through Nebraska, but might open a whole other can of worms for the company

The Nebraska Supreme Court's decision reversed a lower court that had blocked the proposal and cleared the way for a U.S. State Department ruling on the plan.

"It will create jobs for American and Canadian workers, it has the support of the Canadian and American people."