Big Oil’s new strategy: If you can’t build a new pipeline, just overload the old one

Yesterday, Canadian pipeline behemoth Enbridge won government approval for its plans for 9B, one of the most contentious pipes in pipe business. While it doesn’t get much press, 9B is important because it’s part of a hot, new trend in trans-national pipe dreams: Skirting environmental review, and public scrutiny, by pumping dirty crude through existing pipelines rather than building new ones.