Large upgrader facilities convert the thick form of crude oil extracted from nearby oil sands mines into a synthetic crude oil that is sent by pipeline to refineries for further processing.
Large upgrader facilities convert the thick form of crude oil extracted from nearby oil sands mines into a synthetic crude oil that is sent by pipeline to refineries for further processing. MCT
Large upgrader facilities convert the thick form of crude oil extracted from nearby oil sands mines into a synthetic crude oil that is sent by pipeline to refineries for further processing. MCT

U.S. taps Canada's oil sands — but at what cost?

October 12, 2008 06:00 AM

UPDATED October 12, 2008 05:38 PM

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