Canada plans tougher standards for new tank cars used to ship dangerous goods by rail, as concerns mount about the increased use of trains to ship crude oil across the continent in the wake of several fiery derailments. Canada’s Transport Department said Friday the proposed regulations would apply to newly built tank cars and require, for instance, that thicker steel be used in their construction. Canada will also require new designs for tank cars that carry liquefied natural gas. The changes would apply to general-purpose DOT-111 tank cars, the type involved in a tragic derailment last July in Lac-Mégantic, Quebec, which killed 47 people. There have since been non-deadly derailments involving tank cars filled with crude in North Dakota and Alberta, and just this week, 150 residents of a small New Brunswick town were forced from their homes when a Canadian National Railway Co. CNR.T +1.40% Canadian National Railway […]