A better deal than freebie

Oil price has plummeted all the way to abyss. Now, producers need to pay (yes, pay) customers in order to take their crude oil away. This happens to the low-grade oil, North Dakota Sour crude oil, which was $13.50/barrel one year ago and $47.60/barrel two years ago.  http://www.chicagotribune.com/business/ct-north-dakota-oil-worth-less-than-nothing-20160119-story.html