The furious pace of energy exploration in North Dakota is creating a crisis for farmers whose grain shipments have been held up by a vast new movement of oil by rail, leading to millions of dollars in agricultural losses and slower production for breakfast cereal giants like General Mills.
Think hybrids that go 60 miles on a gallon are efficient? Trains can go eight times as far with 2,000 pounds in their backseat. And they're only getting smarter.