I shal take the liberty of calling this "old news".
Of course, this wasn't really on the Internet until about now, but it's old nonetheless...
Anyway, Only about 187 billion of those barrels worth of tar sands is currently reachable... The rest won't become technologically, as well economically, feasible for perhaps another two decades...
On as side note, the US supply of oil reserves will run effectively dry in roughly another decade, making the US more than 95% reliant on imported oil.
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I know there's got to be some sort of mathematical equation for this sort of thing, but I prefer trial and error. It's one of the advantages of having a socialized health care system."
[This message has been edited by nottheking (edited July 01, 2004).]