Category Archives: Energy

the posts in this category used to be in “Energy in A Nutshell” at my former web site.

Why is nearly all solar power built where subsidies are the highest?

If solar net energy return is as high as some solar advocates claim, why does solar need any subsidies? And not just U.S. subsidies, it’s subsidies on top of subsidies when you add in that we’re buying Chinese government subsidized … Continue reading

Posted in Concentrated Solar Power, Energy Policy, Photovoltaic Solar, Solar EROI | Tagged , , , , , , | 9 Comments

How long will the marriage of fracked oil and tar sands last?

[ Below is a post by Art Berman which I found interesting because I’m concerned about whether enough diesel can be made in the future to keep trucks running.  Light tight “fracked” oil is better at making plastics and gasoline … Continue reading

Posted in Arthur Berman, Oil & Gas Fracked, Oil (Tar) Sands | Tagged , , , | 4 Comments

Underground pumped hydro storage is the only technology capable of massive storage for renewable electricity

[ Picard concludes that “None of the candidate technologies for massive-scale renewable and sustainable generation of ‘‘green’’ electricity deliver it in a form suitable for high-efficiency storage. None of the prospectively-massive storage modes for transformed electricity is at present well … Continue reading

Posted in Electric Grid, Energy Storage, Grid instability, Hydropower, Renewable Integration | Tagged , | 4 Comments

Nate Hagens “Peak Oil” – Why Smart Folks Disagree – Part II

[ There’s a great deal of interest in the Hill’s Group report, but Nate Hagens came up with similar results back in 2007 and he explains his ideas far more eloquently.  Although much production of U.S. oil and gas may … Continue reading

Posted in How Much Left, Nate Hagens | Tagged , | 2 Comments

Kurt Cobb: Peak oil production has been hidden by the EIA by including condensate and other non-transportation fuels

[ The Energy Information Administration has done what they can to hide peak oil production by adding in everything but the kitchen sink to overall oil production numbers, such as ethanol and natural gas liquids, which are not true transportation … Continue reading

Posted in How Much Left, Kurt Cobb, Peak Oil | Tagged , , , , | 2 Comments

Peak soil: Industrial agriculture destroys ecosystems and civilizations. Biofuels make it worse.

Alice Friedemann. 2017. Peak Soil.   Last updated: June 4, 2017, first published 2007 [ Formerly titled: Why Biofuels are Not Sustainable and a Threat to America’s National Security.  Shorter versions appear in the following books: Jacqueline Langwith, ed. 2008.  “Opposing … Continue reading

Posted in Alternative Energy, Biofuels, Biomass, Energy, Peak Biofuels, Soil, Soil | Tagged , , , , , , , , , , , | 2 Comments

Responding to arctic oil spills

[ It is insane to even contemplate putting oil rigs into an area with such vast amounts of ice on the move, and all the additional dangers listed below.  Before I read this 210 page NRC report, I thought the … Continue reading

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Nuclear power too expensive. In 2013, 37 reactors predicted to shut down, 16 already have

[ Since this article was published in 2013, 10 of the 37 at risk plants Cooper listed have been or are scheduled to close down (in red) : Diablo Canyon, Clinton, Fitzpatrick, Ft. Calhoun, Indian Point, Oyster Creek, Pilgrim, Quad Cities, Three Mile Island, Vermont … Continue reading

Posted in Nuclear Power | Tagged , , , , , , , | 1 Comment

How reasonable are oil production scenarios from public agencies?

So far both the U.S. Energy Information Administration (EIA) and International Energy Agency (IEA) are on target in their predictions. In 2014 (the last year for which there is data), world production of crude oil and lease condensate was 77.833 … Continue reading

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Robert Rapier on why “fuel from CO2” breakthrough won’t work

Robert Rapier. Oct 27, 2016.  Ethanol From Carbon Dioxide Is Still A Losing Proposition. energytrendinsider.com If I told you that I had created a process to extract pure gold from seawater, you might deem it an amazing accomplishment. If I … Continue reading

Posted in Biofuels, Biomass EROI, Critical Thinking, Far Out, Other Experts | Tagged , , | 2 Comments