Worried about damage from freezing oil or wax buildup which can occur when oil is not flowing,...

|By:, SA News Editor
Worried about damage from freezing oil or wax buildup which can occur when oil is not flowing, the owner of the Trans Alaska pipeline seeks regulatory approval to temporarily re-start the pipeline. "It's already technically challenging to operate a pipeline in Alaska," a spokesperson says, "and having a shutdown in winter is even more challenging."