Fire crews douse derailed tanker cars carrying crude oil in downtown Lac-Mégantic, Que., in this July 6, 2013, file photo. A trial is now underway for three former railway employees charged in connection with the fatal train derailment.
(THE CANADIAN PRESS/Paul Chiasson)
Derailed train cars carrying oil have more communities concerned about spills. What’s behind the oil-by-rail boom and a federal agency’s ‘urgent’ call last week for better safety?