Residents relied on bottled water that was trucked into town after the utility West Virginia American Water, fearing that oil had been dumped into the Kanawha River, closed a treatment plant...Spills and fires in derailments have prompted concerns about the safety of transporting oil by rail. In 2011, the American Association of Railroads required that new tanker cars meet higher standards to resist rupture...CSX said the tankers in Monday’s crash had all been built to the new specifications.