Category Archives: EROEI Energy Returned on Energy Invested

Stephen Leeb & Charles Hall on EROI & Investing

Posted on August 3, 2013 by

Stephen Leeb. 5 Jun 2013. Dangerous Times As Energy Sources Get Costlier To Extract. Forbes. The optimists believe that our energy problems have been largely solved. I wouldn’t bet on that. The real issue with oil isn’t how much we … Continue reading →

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EROI downward spiral

Posted on June 7, 2013 by

Stephen Leeb. June 2013. Dangerous times as energy sources get costlier to extract. Forbes. Remember the term “peak oil”? With all the oil now available from oil shale, tar sands, and other new sources, many analysts assume that the old … Continue reading →

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What is global EROI now? A Review of 2012 EROI of Global Energy Resources

Posted on January 16, 2013 by

[ FYI the USDA recently updated the numbers on the energy balance of corn ethanol in 2015 Energy Balance for the Corn-Ethanol Industry.  Todd “Ike” Kiefer has written a rebuttal that can be found here. Past articles of his include … Continue reading →

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Germany National Academy of Sciences report: Don’t use biofuels

Posted on August 10, 2012 by

Preface. This German study explains why biomass doesn’t scale up to make biofuels, whether from algae, cellulose, or plants, as well as why trying to do so would harm the environment. Alice Friedemann  www.energyskeptic.com Women in ecology  author of 2021 … Continue reading →

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