By Roger Annis, special to Green Left Weekly
September 18, 2013--For the second time in three months, a CP Rail train carrying toxic and flammable hydrocarbons has derailed in the city of Calgary. On September 11, eight railway wagons carrying close to one million liters of a highly flammable gasoline product (diluent) used in the pipeline transport of tar sands bitumen derailed in the Inglewood neighbourhood.