Current Events — HabitableZone

Current Events » in reply to Energy projections, PBR reactors, transition times

Please enlighten me

Davin said"

>'Shale' oil and 'Tar sands' are probably never going to be a
>winning proposition.

I was under the mistaken impression that 'Shale' oil and 'Tar sands' were the last great hope in terms of synthetic petroleum. Supposably when everything else runs out that's what's supposed to pull us out of the pooper. Why are they not a winning proposition?

Gary

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