Category Archives: Energy

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

Oil choke points vulnerable to war, chaos, terrorism, accidents, & piracy

Posted on April 12, 2024 by

Source: Ballout, D. 2013. Choke Points: Our energy access points. Oil Change. Preface. Below are several articles I’ve collected since 2005 on oil chokepoints. If oil tanker traffic were stopped on one or more, much of the world would plunge … Continue reading →

Posted in Chokepoints, Oil & Gas, Oil Shocks, Threats to oil supply | Tagged , , , | 6 Comments

Fusion is already running out of fuel

Posted on March 29, 2024 by

Source: Khan A (2021) Nuclear fusion: building a star on Earth is hard, which is why we need better materials. The Conversation. Preface.  Of all the hundreds of obstacles fusion has yet to overcome, its death knell could be as … Continue reading →

Posted in Electric Grid & Fast Collapse, Fusion, Nuclear Waste | Tagged , , , , , , | 1 Comment

Peak diesel is near. We are running out of time

Posted on March 24, 2024 by

Preface. When I first published this post in February of 2022, I said that peak world oil production might have peaked in November 2018, but it takes 5 years in the rear-view mirror to call it.  So while it did … Continue reading →

Posted in Debt, How Much Left, Peak Oil | Tagged , , | 7 Comments

Wood, the fuel of preindustrial societies, is half of EU renewable energy

Posted on March 22, 2024 by

Preface: By far the largest renewable energy resource used in Europe is wood. In its various forms, from sticks to pellets to sawdust, wood (or to use its fashionable name, biomass) accounts forhalf of Europe’s renewable-energy consumption. Although Finland is … Continue reading →

Posted in Wood | Tagged , , , , | 6 Comments

Rare Earth updates: recent research on why complex & intelligent life are rare in the Universe

Posted on March 15, 2024 by

Preface. These are updates to Ward & Brownlee’s book “Rare Earth: Why Complex life is Uncommon in the Universe”. If we are one of the few planets with intelligent life, what a shame it would be if we destroyed ourselves … Continue reading →

Posted in Evolution, Human Nature, Planetary Boundaries, Wood | Tagged , , , , , , , , , | 1 Comment

What is the plan for an electric grid outage that lasts for months?

Posted on January 4, 2024 by

Preface. There are three posts on Ted Koppel’s book “Lights out”: Book review of Lights Out. A Cyberattack. A Nation Unprepared. Surviving the Aftermath What is the plan for an electric grid outage that lasts for months? Want to survive … Continue reading →

Posted in Blackouts, Blackouts Electric Grid, Electric Grid & Fast Collapse, Energy Books, Politics | Tagged , , , , , , , | 1 Comment

Why methanol cannot replace petroleum as a transportation fuel

Posted on December 20, 2023 by

Preface. Methanol, or CH₃OH, is primarily used to make chemicals for plastics, paints, and cosmetics. It is made from coal or natural gas. “Green” methanol is made from biomass or biogas from landfills or sewage plants. Or it can be … Continue reading →

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Why is everyone afraid of AI taking over? It makes stuff up!

Posted on December 13, 2023 by

Preface. AI is not intelligent, it is stupid! AI not only makes stuff up as explained below, but I have found it to be highly inaccurate and incomplete. For example, I asked about hours and costs of wine tasting in … Continue reading →

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Do you want to eat, drink, or fly?

Posted on December 6, 2023 by

Preface.  In this post the New York Times writes about renewable airplane fuel from corn ethanol, and questions whether there is enough water and a few other problems.  First I’m going to summarize their issues with this, and then follow … Continue reading →

Posted in Airplanes, Biofuels, Biomass EROI, Groundwater, Peak Water | Tagged , , , , | Comments Off on Do you want to eat, drink, or fly?

Will Congress ever create a new independent agency to store nuclear waste permanently?

Posted on November 8, 2023 by

Preface. The lack of permanent geological storage of nuclear waste will be yet another nightmare for those living after fossils have declined and civilizations go back to biomass fuels and muscle power. They will already be dealing with heat making … Continue reading →

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