Category Archives: Energy

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

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

Nuclear Waste Disposal and Peak Oil

Preface. One the greatest tragedies of energy decline will be the nuclear waste left to harm thousands of future generation for hundreds of thousands of years. We owe it to them to clean up our mess while we still have … Continue reading

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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

Hydrogen hopium: green hydrogen from water

Additional energy consuming steps not shown: pumping water to the electrolyzer, purifying the water, compressing or liquefying to -423 F, pumping into storage container, the trucks to deliver H to stations costing $75 million each, since pipelines are super expensive … Continue reading

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How the grid works, why a distributed grid won’t work

Preface. This is a book review of Angwin’s 2020 “Shorting the Grid. The Hidden Fragility of Our Electric Grid”. It is a good primer on how the grid works, especially why Volt-Ampere Reactives (VARs) are important and why renewables don’t … Continue reading

Posted in Blackouts, Blackouts Electric Grid, Distributed Generation, Electric Grid & Fast Collapse, Electricity Infrastructure, Energy Books, Grid instability | Tagged , , , , , | Comments Off on How the grid works, why a distributed grid won’t work

Why mining to make renewables will destroy the planet

Figure 1 Landscape of earth after 37% is mined to build renewables Preface. As I wrote in Life After fossil fuels: “Mining spews out acid rain, wastewater, and heavy metals onto land, water, and air (PEBI 2016). One-fifth of China’s arable … Continue reading

Posted in Alternative Energy, An Index of Best Energyskeptic Posts, Batteries, Climate Change, Electric & Hydrogen trucks impossible, Electric Grid, Energy Books, Peak Critical Elements, Peak Platinum Group Elements, Peak Precious Elements, Peak Rare Earth Elements, Recycle, Recycling | Tagged , , , , , | 1 Comment