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How is oil extracted from tar sands?

Tar sands mining in Fort McMurray, Alberta. (Source: iStock, Credit: Dan Barnes Photography) Oil sands (or tar sands as they are sometimes inaccurately referred to) represent a vast resource of recoverable oil1. Vast quantities of oil sands are located around the world, particularly in Canada, eastern Venezuela and Saudia Arabia1. About 314 billion barrels of recoverable oil exists within…
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