Category Archives: Energy

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

Aside

Preface. After seeing the film “The Power of Community: How Cuba survived Peak Oil” in 2006, I thought about how those lessons might apply to California, which grows about a third of U.S. food.  Much of what follows in the … Continue reading

Refrigeration uses up to 30% of world electricity

Preface. This is a book review of Twilley’s 2024 book Frostbite: How Refrigeration Changed Our Food, Our Planet, and Ourselves. It is a really great book, highly recommended. Refrigeration plays a much larger role in our lives than people realize. … Continue reading

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Trump & Project 2025 want to destroy energy efficiency & raise your utility bills

Source: (NYT 2017, LBL 2025) The Department of energy (DOE) under Chris Wright is proposing to get rid of energy efficiency standards that have saved consumers over 1.5 trillion dollars (CFA 2017). The average American home saves $321 a year … Continue reading

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NIMBY Hydrogen production

Preface.  Now that Trump has slashed the hydrogen budget this is not an issue, but perhaps will be again if Democrats gain power in 2028. Which is fine with me, hydrogen is the dumbest of all the proposed alternatives as … Continue reading

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Telling others about peak oil and limits to growth

Preface. Obviously the planet is finite.  World crude oil production peaked in 2018, and been on a plateau since 2008.  Other resources, such as food, are peaking while the polycrisis depletes fisheries, forests, groundwater and more. Yet this reality is … Continue reading

Posted in Critical Thinking, Limits To Growth, Peak Oil | Tagged , , , , | 9 Comments

Why coal was only created once

Preface.  Coal only formed once on Earth over hundreds of millions of years because they had lignin and cellulose that microbes hadn’t yet evolved to consume. Eventually they did, and today termites, cows and other creatures are able to digest … Continue reading

Posted in Biofuels, Coal | Tagged , , , | 6 Comments

Escape to Mars after we’ve trashed the Earth?

Preface. The idea that we can go to Mars is touted by NASA, Elon Musk, and so many others that this dream seems just around the corner.  If we destroy our planet with climate change, pollution, biodiversity loss, soil erosion, … Continue reading

Posted in Climate Change, Extinction, Far Out, Hopium, Human Nature, Planetary Boundaries, Where to Be or Not to Be | Tagged , , , , , , , | 11 Comments

Why towns have a hard time adding EV, solar, heat pumps

Preface.  This article from IEEE does a good job of explaining how and why it is incredibly expensive for cities to cope with with L2 chargers, EV, solar, and heat pumps by zeroing in on Palo Alto, where there are … Continue reading

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Building a national super grid in America

Preface. Renewables are not evenly distributed.  Just 10 states have 80% of hydropower (Homeland Security 2011), 10 states produce 75% of wind power (EIA 2017), and 10 states produce 79% of solar power (CE 2020). With a national grid, instead … Continue reading

Posted in Electric Grid | Tagged , , | 3 Comments

The deep sea is a desperate place to drill for more

Preface. Peak crude oil is on a plateau that is likely to peak soon, but when it happens we won’t be out of oil, just halfway through.  Giant fields continue to be found, but in the deep ocean or arctic … Continue reading

Posted in How Much Left | Tagged , , , | 1 Comment