Support WBURBetween Cheap Gas And Carbon Caps, Oil Sands Face Uncertain FatePlay04:24Download AudioJeff BradyDecember 14, 2015 ShareShell's Jack Pine Mine near Fort MacKay, Alberta. The largest trucks, called "heavy haulers," can hold 400 tons of oil sands material. It takes 2 tons to produce one barrel of oil. (NPR)
