The Biggest Oil Supply in the World is in...

The oil shale deposits in Colorado according to this article. The article tells of a new process patented by Royal Dutch Shell that can extract the oil from shale for about $30 a barrel. While that process is unproven, the article does go on to say that existing processes can obtain oil from shale for about $75 a barrel. Bottom line is we may be quickly approaching a point where the cheapest oil we can obtain is right here in the good ole USA.