Senate fault lines on the Keystone XL oil sands pipeline appear set as lawmakers move to a final vote on authorizing the controversial energy project. {mosads}The upper chamber is expected to ...

Feb 9 (Reuters) - Pipeline operator TC Energy Corp TRP.TO said on Thursday that the December Keystone oil spill was due to a combination of factors including bending stress on the pipe and a weld ...

A keystone is the central stone that holds a masonry structure together. During the El Mayor-Cucapah earthquake, the keystone fault broke first, unlocking seven smaller faults, the study found.

Carney: "But the President didn't turn down the Keystone pipeline. There was a process in place, with long precedent, run out of the State Department because of the issue of the pipeline crossing ...

President Barack Obama rejected the proposed 1,700-mile Keystone XL pipeline from Alberta, Canada, to Port Arthur, Texas, without quite rejecting it outright. Although it smacked of a political ...

Pipeline operator TC Energy Corp said on Thursday a combination of factors including bending stress on the pipe and a weld flaw might have led to the Keystone oil spill and that it was expecting $480 ...