Shale oil has a property that makes it more flammable

There have been several high-profile oil-by-rail accidents in the last couple of months. Should we be worried about shipping crude oil by rail?  The short answer is yes. The longer answer is that it's complicated. And this mode of transporting oil isn't going away anytime soon. The rate of accidents has actually declined Transporting crude oil involves a lot of different interests. On one hand, there's a lot of money involved. Oil is a huge part of the national economy, and it needs to get from...