Category Archives: Energy

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

Why biofuels can not scale up to replace petroleum

Preface. This is my favorite paper on why we can’t replace crude oil with biofuels.  Of course, oil is a biofuel. But alas, not renewable, since it took over 100 million years to make them. Every year we burn fossil … Continue reading

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Skyscrapers: A bad idea as energy declines

Preface. One reason Paris is such a lovely city is that it was built to human scale, with buildings of five stories or less, because that was about as high as people were willing to climb, so not surprisingly, rents … Continue reading

Posted in Blackouts, Blackouts Electric Grid, Concrete, Earthquakes, Hurricanes, Infrastructure & Collapse, Infrastructure & Fast Crash, North Korea | Tagged , , , , , , | Comments Off on Skyscrapers: A bad idea as energy declines

Review of Lights out: the electricity crisis, the global economy, and what it means to you

Preface. My books and energyskeptic.com explain why the electric grid can’t stay up.  This is a book review of Makansi’s “Lights out: the electricity crisis, the global economy, and what it means to you”. He explains why the grid is … Continue reading

Posted in Alternative Energy, Blackouts Electric Grid, Books, Electric Grid, Electricity Infrastructure, Energy Books | Tagged , , , , | 1 Comment

Deforestation in the news

Preface. I wrote in “Life after fossil fuels” that as energy declined, it would be hard to cut down distant forests with limited oil supplies.  I thought this because even in Britain, so denuded of trees people turned to filthy … Continue reading

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Review of “Vision or Mirage: Saudi Arabia at the Crossroads”

Preface.  This is a book review of Rundell’s “Vision or Mirage: Saudi Arabia at the Crossroads”. If this book is right, things have gotten a lot better in Saudi Arabia than when my other review on Saudi Arabia was written … Continue reading

Posted in Middle East, Peak Oil, Peak Resources, Threats to oil supply | Tagged , , , | 1 Comment

Nuclear waste storage plans in the news

Preface.  With world peak oil of conventional likely to have happened in 2008 (90% of our oil) and all oil, including conventional in 2018, there’s not much time left to clean up nuclear wastes to keep future generations for the … Continue reading

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Horses will be essential to wars in the future

Source: De Decker K (2008) Bring back the horses. Low-Tech Magazine. Preface. Horses will not only play a key role in agriculture in the future after oil decline, they’ll replace the dozens of kinds of trucks that exist today, and … Continue reading

Posted in Muscle Power | Tagged , , , , | 8 Comments

Clean up nuclear waste for the sake of the next 30,000 generations

Preface. One the greatest tragedies of energy decline will be the nuclear waste left to harm 30,000 future generations so 3 generations could keep the lights on. We owe it to the future to clean up waste while we still … Continue reading

Posted in Nuclear Waste | Tagged , , , , , , | 17 Comments

Hibernating freeze-thaw molten salt batteries for seasonal energy storage

Preface.  A 100% renewable grid can’t happen without long-term energy storage. Today that’s done with natural gas (with a little help from hydropower in the 10 states that have most of it). Meanwhile nuclear and coal chug along at a … Continue reading

Posted in Battery - Utility Scale, CSP with thermal energy storage, Renewable Integration | Tagged , , , | 1 Comment

Hydrogen hopium: Storage

Source: Russel Rhodes (2011) Explosive Lessons in Hydrogen Safety. https://appel.nasa.gov/2011/02/02/explosive-lessons-in-hydrogen-safety/ Preface.  What is hopium? Irrational or unwarranted optimism. An addiction to false hopes. A metaphorical substance that causes people to believe in a false hope (H + opium). And Hopium … Continue reading

Posted in CAES Compressed Air, Drought & Collapse, Electric & Hydrogen trucks impossible, Hopium, Hydrogen, Trucks | Tagged , , , , , , , | Comments Off on Hydrogen hopium: Storage