2010 oil spill saw more than 800,000 gallons of crude oil flow into Kalamazoo River, Talmadge Creek in Michigan
Gas leak caught fire, shot out flames at Pemex refinery in northern Mexican state of Tamaulipas
Oil and gas activity hasn’t been ruled out as potential cause for earthquake near Rocky Mountain House, Alta.
Damage pegged at about $40 million after July 18 fire at Bonduelle Canada plant in Tecumseh, Ont.
Fire reportedly began in truck at loading dock and spread to facility