A leak in the pipeline spilled about 17,000 gallons of oil last week.
Frustrated green groups are hoping her tough stance on Arctic drilling is just the beginning.
A seemingly exasperated Clinton refused for another day to stake out a position.
Keystone supporters fell five votes short of the two-thirds needed.
Legislation to approve Keystone XL had a short stay at the White House Tuesday.
The House will consider legislation to expedite approval of natural gas pipeline applications,...
The amendment process and debate on Keystone could last weeks.
Sen. John Hoeven (R-N.D.) said supporters now have 63 votes.
The House will vote on a bill to approve the Keystone XL pipeline.
Republicans will officially gain control of both chambers of Congress.
Rep. Cassidy used GOP address to tout legislation before runoff with Sen. Landrieu.
The senator said the country would suffer from “dumb disease” if the Keystone XL oil pipeline isn't...
With help from Sen. Bernie Sanders, they are seeking to curb future fossil fuel production.
Friends of the Earth Action announced it is backing the Vermont senator for president.
Obama ratcheted up his criticism of the pipeline Friday.
Senators will vote a day sooner as a snowstorm heads for D.C.
The White House said they received the Keystone bill earlier in the day.
The department asked eight federal agencies to wrap up input of Keystone by Feb. 2.
Sen. Chris Coons (D-Del.) said Congress will not be able to override a presidential veto.
Sen. John Hoeven suggested Obama's position will alienate Republicans in the new Congress.
Newly-installed Republican leaders in the Senate should focus on approving a new transportation...
Falling gas prices have made consumers one of the biggest winners.
Four senators missed late votes Monday but are in town for the key energy measure.
Without King, chances of picking up the final vote needed are slim.