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View Diary: Oil Shale-the energy density of a tater tot (60 comments)

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  •  I think we agree (0+ / 0-)

    Any time you have a large energy input to actually extract a usable fuel, the economics aren't going to be great.  Ethanol is the current case in point.  The way I look at it, if you had surplus power (say from a mythical fusion reactor), then you can obviously do this economically to make a hydrocarbon feed stock or transportable liquid fuel.  

    Until you have that supply of power, you are either buying power at the current high wholesale rate or you are burning a portion of your product to drive the process which kills your economics.  

    Evaluating reserves is always tricky especially because people don't always like to let on.  Just talking about straight energy, do you think there is currently more in the ground in Saudi Arabia or in these shale and tar sand reserves.  I haven't looked closely enough at it to have a well thought out opinion on that.

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