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Breeders are another good example of why EROI doesn't make any sense. Breeders have an insanely high EROI. Does that mean we should build breeders, and that we'll be better of economically with breeders?

No, because breeders are ridculosly expensive. We're much better of ignoring EROI when we're investing, and rather take a look at old-fashioned ROI.

Peak oil is not an energy crisis. It is a liquid fuel crisis.

by Starvid on Thu Jul 25th, 2013 at 09:24:52 AM EST
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Your argument seems to be that because EROI is not a single number that answers all questions, it is useless.

But a single number that answers all questions does not exist, so what we need are numbers that help answer the range of questions we have.

"When we're investing" is a question down toward the end of the queue, after a long set of questions regarding how we regulate interactions between energy producers and energy consumers and what activities we subsidize and what activity we tax are answered. There is in general no answer to "what do we invest in" independent of "how do we organize energy markets?" and "how gets to stick their snout into the public trough?", and "who gets to have some of their income destroyed to stabilize the economy?".

So its silly to argue as if "what do we invest in" is the fundamental question. It doesn't have any clear answer until the fundamentals are settled.


I've been accused of being a Marxist, yet while Harpo's my favourite, it's Groucho I'm always quoting. Odd, that.

by BruceMcF (agila61 at netscape dot net) on Thu Jul 25th, 2013 at 01:23:28 PM EST
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