All three Burlington Northern train crashes involving oil cars. Warren owns Burlington Northern. I’m not counting the other train crashes that Warren doesn’t outright own.
One in 2012, one in 2013 and one this year. Here is one of them I found quickly.
http://atomicinsights.com/burlington-northern-oil-train-explodes-and-burns-in-casselton-nd/
Following the DOT site on trains can keep you up to date on the dangers of train and oil
http://dot111.info/category/recent-derailments/
Here is one on Propane for Burlington Northern. Give me a little while and I can find the others. But there have been 3 in the Dakotas involving Burlington Northern in the last 3 years with oil cars.
But the one that made all the headlines and preciptated the FRA rule was in Canada on the CN
and the cause of this one was not motion but allowing the train to idle unattended in a damaged condtion
http://en.wikipedia.org/wiki/Lac-Mégantic_rail_disaster
Another punishing blow by our government to business having to rebuild railcars for operating failures.