This July 9, 2013, file photo shows workers combing through debris three days after a train derailed, causing explosions of railway cars carrying crude oil in Lac-Mégantic, Quebec. The Canadian Press/Associated Press Canada’s transportation safety agency Tuesday said inadequate Canadian government oversight and a railway company’s “weak safety culture” were among a host of factors that led to last year’s devastating oil-train derailment in Quebec. It also recommended even more measures to strengthen safety in a North American rail network dealing with a surge in the transportation of crude by rail. In the months following the July 6, 2013 accident in Lac-Mégantic, a handful of oil trains crashed and caught fire in the U.S., most recently in April at the edge of downtown Lynchburg, Va. No one was injured in those crashes, but those incidents added to concerns about the proliferation of crude-by-rail shipments across the continent. The Transportation […]