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CNN: Oil sands are just that - sand laced with a heavy oil known as bitumen.
The sands are plentiful in parts of the western United States and in Canada's Alberta province, the latter exporting over 1 million barrels of oil a day to America. Some estimates say there are more oil sands and other unconventional forms of oil in North America than there is light oil under the Saudi desert.
But oil sands production is expensive and usually comes with high environmental costs.
The sand itself is often......
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Oil sands project in Utah draws fire for water use
Posted by Washington Post: Juliet Eilperin on December 8th, 2010
Posted in Water Conservation