The groups say the oil flows are a "painful example" of Obama's energy policy.
Sen. Landrieu and others met with top Canadian officials to push approval of the pipeline.
The Alaska Republican asked the president to lift the ban and approve the pipeline.
Sen. Hoeven said more pipelines are needed to help with the growing crude oil boom.
Tom Donilon said he would "probably" advise Obama to approve the pipeline.
"Whether the State Department is the appropriate agency to vet cross-border pipelines is an...
Senate Finance Committee Chairman Max Baucus, now President Obama's nominee for envoy to Beijing,...
The southern leg will begin delivering oil to Gulf Coast refineries in January.
Oil producer Continental Resources is looking to ship crude via railcar.
Building the pipeline would help ease bottlenecks for oil sands producers in Canada.
President Obama hasn't approved pipeline construction from Canada to the U.S.
The last time the federal gas tax was increased was 1993.
He said State is doing everything it can to "effectively and rapidly" finish pipeline review.
The federal trust fund is running dry and only has about $8.5 billion left.
House Transportation Committee Chairman Rep. Bill Shuster (R-Pa.) said on Tuesday that he wants the...
Amtrak CEO Joe Boardman declared the Highway Trust Fund that is traditionally used to pay for...
Former Transportation Secretary Ray LaHood is joining a bipartisan group focusing on improving...
Riverbed erosion contributed to just one in 200 underground pipeline ruptures, the Transportation...
"If we need to bridge with rail, we will bridge," TransCanada's CEO said.
Rep. Paul Ryan suggested tying approval of the oil pipeline to raising the debt ceiling.
The survey found people also want Canada to reduce its carbon emissions.
The news will come as a welcome surprise to proponents of the pipeline.
A climate concession could help the Canadian government's case with President Obama.
"People in Washington are afraid to make these kinds of investments,” he said.