National Public Radio: The federal government's new rules aimed at preventing explosive oil train derailments are sparking a backlash from all sides.
The railroads, oil producers and shippers say some of the new safety requirements are unproven and too costly, yet some safety advocates and environmental groups say the regulations aren't strict enough and still leave too many people at risk.
Since February, five trains carrying North Dakota Bakken crude oil have derailed and exploded into flames in the U.S. and Canada....