Category Archives: Energy

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

Are biofuels a sustainable and viable energy strategy?

Preface. In 2000, Melanie Kenderine at the U.S. Department of energy stated that: “This nation has abundant biomass resources (grasses, trees, agricultural wastes) that have the potential to provide power, fuels, chemicals and other bio-based products” (136). That’s a good … Continue reading

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Department of Energy algal biofuels roadmap: A summary

Preface. If you really want to get into the weeds about the details of why algal fuels have failed to produce biofuels, read this 140 page paper. Alice Friedemann  www.energyskeptic.com Women in ecology  author of 2021 Life After Fossil Fuels: … Continue reading

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Effects of biodiesel on diesel engines: John Deere

[ Since petroleum is finite, the most important focus of U.S. energy research ought to be keeping trucks operating, since civilization ends when trucks stop running.  Ideally this would be done with a “drop-in” fuel that can be burned in … Continue reading

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A U.S. Senate hearing on T. Boone Pickens plans for natural gas and wind to reduce oil dependence

[ This session is unusual in that the words “peak oil” are spoken several times, and M. King Hubbert, James Howard Kunstler, and Matt Simmons are lauded.   Gal Luft points out that “10 years ago, Osama bin Laden predicted that … Continue reading

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Natural gas is a stupid transportation fuel

[ My comment: The only reason natural gas has come up as a transportation fuel at all is the false belief that there is 100 years of natural gas (even this article does, but natural gas may last far less … Continue reading

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California could hit the solar wall

[ According to a Stanford University article below this introduction (followed by excerpts from two California Energy Commission reports), if California uses mainly solar power to meet a 50% Renewable Portfolio Standard (RPS), on sunny days, for most of the … Continue reading

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Taxpayers are paying for a concentrated solar project — Ivanpah– that doesn’t work

Ivanpah in the news: Dvorsky, G. May 21, 2016. The World’s Largest Solar Plant Just Torched Itself. Gizmodo (Australia). Misaligned mirrors are being blamed for a fire that broke out yesterday at the world’s largest solar power plant, leaving the … Continue reading

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Over and under-cooked oil — tar sands, “fracked” tight oil & gas, oil shale

[ This article discusses why it’s so hard and expensive to extract difficult oils like tar sands, oil shale, and tight “fracked” oil, for reasons such as: These are at the bottom of the resource pyramid, so there may be … Continue reading

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Net metering and the death of US rooftop solar

April 22, 2016 by Roger Andrews at euanmearns.com “Net metering” allows anyone with a solar installation to sell surplus solar power to the grid when the sun is shining and to purchase power back from the grid when it isn’t. … Continue reading

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Promoting soil health in agriculture at U.S. House hearing 2014

Preface.  At last, many years after I first published “Peak soil: Why biofuels destroy ecosystems and civilizations” in 2007, Congress had a hearing to educate House members on why preserving topsoil is so essential for food production for future generations.  … Continue reading

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