Bad welding caused other Keystone spills in the past, too — a fact cited by federal regulators in their decision on Tuesday. The one in Kansas was the pipeline’s worst spill yet. The Pipeline ...

A U.S. probe into the 13,000-barrel oil spill on TC Energy’s Keystone pipeline is expected to cut into crude flows ahead of the summer driving season. Regulators on March 7 ordered the company ...

Oil spills have become more frequent and severe, a federal agency said. Oil spills along the Keystone pipeline that runs from Canada to Texas have become more frequent and severe, prompting ...

Data from the U.S. Department of Transportation's pipeline safety arm showed that the Washington County spill was the largest on the Keystone system since it began operating in 2010 and larger ...

TOPEKA, Kan. (AP) — U.S. government regulators have stopped allowing a large part of the Keystone oil pipeline to operate at higher-than-normal pressures following a massive oil spill in northeastern ...

south of the Washington County spill site. The area began experiencing an increase in earthquakes in 2013, after Keystone opened its Kansas pipeline segment, tied to activities associated with ...

(AP) — U.S. government regulators have stopped allowing a large part of the Keystone oil pipeline to operate at higher-than-normal pressures following a massive oil spill in northeastern Kansas ...

But several lawmakers said they are nervous about the pipeline in the Wichita area, about 160 miles (260 kilometers) south of the Washington County spill site. The area began experiencing an increase ...