Examining the Limits of ‘Energy Return on Investment’
GreenTechMedia
MARCH 1, 2021
At the heart of this debate is one of the most important physical metrics you’ve never heard of: energy return on investment, or EROI. Hall and others, the basic principle behind EROI, also called energy returned on energy invested, is simple: A source of energy is only useful if you can get more energy out of it than what you put in.
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