Rail oil tankers, victim of U.S. safety rules, also unwanted in Canada
August 14, 2014 at 15:08 PM EDT
WASHINGTON/CALGARY, Aug 14 (Reuters) - Thousands of oil train tankers soon to be deemed obsolete in the United States are unlikely get a second life in Canada's oil sands industry, undercutting a U.S. government forecast that the costly cars will continue in use in the energy sector.