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

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

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 Oil is Officially Here! World oil production peaked November of 2018

Preface. When I first published this post in February of 2022, I said that peak world oil production might have arrived, but it takes 5 years in the rear-view mirror to call it.  Now peak “crude oil including lease condensate … 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

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

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?

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

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

Posted in Methanol, Ships and Barges | Tagged , , , | Comments Off on Why methanol cannot replace petroleum as a transportation fuel

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

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

Posted in Artificial Intelligence, Critical Thinking | Tagged , , , | Comments Off on Why is everyone afraid of AI taking over? It makes stuff up!

Do you want to eat, drink, or fly?

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?

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

Posted in Nuclear Waste, U.S. Congress Energy Policy | Tagged , , , , , , | Comments Off on Will Congress ever create a new independent agency to store nuclear waste permanently?