[SustainableTompkins] EROI and investment

[Jon Bosak]

People who were interested in last year's discussion of EROI
(energy returned on energy invested) may find this analysis
illuminating:

    http://www.theoildrum.com/node/3412#more

The diagrams toward the end illustrate graphically what TCLocal
folks have been trying to say about the effect of declining EROI
on "discretionary consumption."

Jon