FORT MCMURRAY, AB - JUNE 20: The Shell Oil Jackpine open pit mine uses trucks that are 3 stories tall, weigh one million pounds, and cost 7 million dollars each. There is explosive growth in the oil field areas around Fort McMurray, Alberta, Canada. The oil extracted from this area is the product that would travel through the proposed Keystone XL oil pipeline. (Photo by Michael S. Williamson/The Washington Post via Getty Images)
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