WASHINGTON – Thousands of older rail tank cars that carry crude oil would be phased out within two years under regulations proposed Wednesday in response to a series of fiery train crashes over the past year, including a runaway oil train that exploded in the Quebec town of Lac-Megantic, killing 47 people.
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Accident investigators have complained for decades that the cars are too easily punctured or ruptured, spilling their contents, when derailed.
The phase-in period for replacing or retrofitting the DOT-111 tank cars is shorter than the Canadian government's three-year phased plan. However, regulators left open the question of what kind of tank car will replace the old ones, saying they will choose later from among several proposals.
Transportation Secretary Anthony Foxx also said the government's testing of crude oil from the Bakken region of North Dakota and Montana shows the oil is on the high end of a range of volatility compared with other crude oils, meaning it's more likely to ignite if spilled.