As investigators look for what caused last weekend's train crash in Canada, a question is emerging across the border in the U.S.: Could it happen here? Transportation safety officials have warned railroads for years about the types of tanker cars involved in the Lac-Megantic accident. But they are still widely used in Canada and the U-S.
Source: http://www.npr.org/2013/07/15/202215774/rail-industry-vows-to-learn-from-fiery-accident-in-canada?ft=1&f=1004
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