More on the purported dangers of shipping (Bakken) oil by train: http://www.bloomberg.com/news/2014-01-02/bakken-crude-more-dangerous-to-ship-than-other-oil-u-s-.html Crude oil produced in North America’s booming Bakken region may be more flammable and therefore more dangerous to ship by rail than crude from other areas, a U.S. regulator said after studying the question for four months.HES was down 2.3% today and this story was presumably part of the reason.