Category Archives: Energy

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

Richard Heinberg on why low oil prices do not mean there is plenty of oil, EROI, collapse

Posted on April 5, 2018 by

[ Yet another wise, thoughtful, and wide-ranging essay from my favorite writer of the many facets of a civilization about to decline as it is starved of the fossil fuels that feed it.  Although the topics are quite varied, Heinberg … Continue reading →

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Oil theft around the world: Cartels and exploding donkeys

Posted on April 4, 2018 by

Preface. Oil thefts cost Nigerian oil producers at least $18 billion a year. In Mexico, cartels spend only $5-8,000 to tap into pipelines and withdraw “unlimited” amounts of gasoline, and did so 7,000 times in 2016, resulting in $1 billion … Continue reading →

Posted in Peak Oil, Threats to oil supply | Tagged , , | Comments Off on Oil theft around the world: Cartels and exploding donkeys

How horses changed native cultures after 1492

Posted on April 2, 2018 by

[ This is a very brief overview of Peter Mitchel’s “Horse Nations”.  As oil and other fossils decline, will we will almost certainly return to using more horse “muscle power” as we did in the past. Alice Friedemann   www.energyskeptic.com  author … Continue reading →

Posted in Agriculture, Farming & Ranching, Muscle Power | Tagged , , | Comments Off on How horses changed native cultures after 1492

Richard Heinberg: Paul Krugman’s Errors and Omissions

Posted on March 2, 2018 by

Preface. This article by Richard Heinberg at Postcarbon refutes a column by Paul Krugmen called “Errors and Emissions Could Fighting Global Warming Be Cheap and Free?” here.  Most of my friends and family think I’m nuts because articles like this … Continue reading →

Posted in EROEI Energy Returned on Energy Invested, Richard Heinberg, Solar, Wind | Tagged , , , , , , | 3 Comments

By 2020 it may be clear to everyone that oil decline has begun

Posted on February 7, 2018 by

Preface. There are two parts to Dittmar’s study. The first one concerns production, based on the most recent years of oil production.  Dittmar found a strong pattern of oil decline after the plateau of 3% a year for five years, … Continue reading →

Posted in Exports decline to ZERO, How Much Left, Peak Oil | Tagged , , | 3 Comments

Want to go off-grid? You might need hundreds of Tesla batteries

Posted on February 4, 2018 by

Preface. Although you may not be as far north as Victoria, British Columbia (48.4 latitude), you’d ideally want to be at 30 degrees or less latitude from the equator to even consider the expense of off-grid solar power.  And even … Continue reading →

Posted in Batteries, Photovoltaic Solar | Tagged , , | 11 Comments

Vaclav Smil on wood

Posted on January 17, 2018 by

[ I’ve extracted bits about wood from Smil’s book about materials below, read the book for the larger context.  Enormous amounts of wood were used in former civilizations with much smaller populations than today, so it’s clear we can’t go … Continue reading →

Posted in Vaclav Smil, Wood | Tagged , , | 2 Comments

China is securing energy resources. A potential threat to Europe and U.S. interests.

Posted on December 11, 2017 by

Preface. China is vastly expanding its fleet of natural gas heavy-duty trucks to 700,000 in 2018 and similar or more amounts after that.  They are building pipelines to Russia and other Central Asian countries to keep the gas coming.  I … Continue reading →

Posted in Natural Gas, U.S. Congress Energy Dependence, U.S. Congress Energy Policy | Tagged , | 1 Comment

Is Peak Oil dead? Not by a long shot! Remember Ladyfern?

Posted on December 2, 2017 by

Preface. Oil is finite. Period. Don’t be fooled by news stories that peak oil is dead, or we have reached peak demand.  They’re all nonsense. Gail Tverberg at ourfiniteworld.com is especially good at explaining this. Worse yet, what we have … Continue reading →

Posted in Oil & Gas Fracked, Peak Natural Gas | Tagged , , , | 1 Comment

Given the laws of physics, can the Tesla Semi really go 500 miles, and what will the price be?

Posted on November 21, 2017 by

Preface: Most people think that electric truck makers need to tell us the specs — the battery kWh, price, performance, and so on — before we can possibly know anything about their truck. But that’s simply not true.  We know … Continue reading →

Posted in Efficiency, Electric & Hydrogen trucks impossible, Lithium-ion, Trucks: Electric | Tagged , , , , , , , , | 16 Comments