Upgrading, in situ extraction most carbon intensive oil sands activities
Steam Assisted Gravity Drainage has long been an environmental darling but is actually more carbon intensive than strip mining
January 13, 2010
Not all oil sands production methods are carbon equal. SAGD, long preferred by environmentalists over mining is actually much more carbon intensive. The most carbon intensive process in the oil sands production cycle remains bitumen upgrading.
Source: Alberta Energy Research Council
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