TC Energy, the operator of the Keystone Pipeline, said on Thursday that it had shut down the oil pipeline and is responding to a release of oil into a creek near Steele City, Nebraska. “We have shut down the Keystone Pipeline System and mobilized people and equipment in response to a confirmed release of oil into a creek, approximately 20 miles (approx. 32 kilometers) south of Steele City, NE,” the company said in a statement. TC Energy had to proceed with an emergency shutdown, and the response was initiated late on Wednesday after…