In article
,
Loosesolder50 wrote:

The extraction and refining of Oil/Tar Sands costs 7 times more that
refining standard crude oil. Oil/Tar Sands from Alberta are not nore
will they ever be a financially viable method of producing fuel. The
only reason they are extracting it now is that it's subsidized by the
Govt to the tune of 50%. When that goes away the whole operation will
shut down.

This is off topic.

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Telamon
Ventura, California