Oil Impurities Probed in Rail Blasts

After three fiery train accidents involving crude oil from North Dakota, regulators and industry officials are probing whether additives to the oil or mislabeling of the liquid contributed to the blasts.



from WSJ.com: US Business http://online.wsj.com/article/SB10001424052702303640604579294794222692778.html?mod=pls_whats_news_us_business_f

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