It then rolled down a grade into the center of Lac-Megantic . Investigation showed tankers were carrying more volatile fuel than labeling showed . Development explains why fuel ignited so quickly in a derailment in Lac - Blanc . Disaster claimed 47 lives as fuel ignited and leveled the area .
Investigation showed tankers were carrying more volatile fuel than labeling showed . Development explains why fuel ignited so quickly in a derailment in Lac - Blanc . Disaster claimed 47 lives as fuel ignited and leveled the area .