It may change. We are working with our American counterparts. The way they regulate is to have a proposed advanced rule-making notice. That came out in the fall. The Association of American Railroads commented on it, and we are working with them to look at the proposals, what could be achieved in terms of research to ensure that the next generation of those tank cars meet the safety needs of dangerous goods transport.
On November 27th, 2013. See this statement in context.