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247 comments on The energy efficiency of energy procurement systems
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247 comments on The energy efficiency of energy procurement systems
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Nate,
Might not some of the other factors be converted into energy equivalents since energy use would be involved in transforming or acquiring those resources. In other words, things like transporting water to a site would involve second-order ERoEI inputs. In each of the cases I have been looking at, the limiting factor (other than energy) could be mitigated if we had the energy to do so. Thus it still comes down to an energy problem when looked at that way. At least that has been my thinking. Interested to hear your thoughts.
George
Technically yes, but the amount of energy to remediate polluted water from say tar sands or Marcellus nat gas drilling would be extreme, and to parse that into energy terms would then make the energy return less meaningful - energy return is the biggie no doubt, but in the end we need a portfolio approach, just like in finance. To take it one step further, we want the highest return on scarce resources adjusted for risk (not just mean return). Same goes for energy (high standard deviation on biofuels, solar, wind, etc. though with more installations the dispersion on techs like wind decreases).
Nate, I believe the word for what you propose is "hubris".
cfm in Gray, ME