Author Archives: energyskeptic

Northeast apple production suffering from Climate Change

Preface. Although this article is only about one crop in one area, it portends a darker future for food production in the future, with each region having their own issues (i.e. drought in California). It’s only a matter of time … Continue reading

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When wood is again our main energy source, how long will it last?

Preface.  Just when civilization is decades from returning to wood as the main energy source (due to peak oil in 2018), climate change is allowing invasive beetles to survive winters and kill trees, with drought and wildfires increasing the damage. … Continue reading

Posted in BioInvasion, Drought & Collapse, Nate Hagens, Where to Be or Not to Be, Wildfire, Wood | Tagged , , , , , | Comments Off on When wood is again our main energy source, how long will it last?

Generating electricity with biomass at utility-scale in California limited to direct combustion in small 50 MW plants

Preface. It’s obviously much easier and more energy efficient to set logs on fire for heat and electricity than to turn them into ethanol.   Burning biomass can’t do much to solve our energy crisis.  To produce just 10% of … Continue reading

Posted in Biomass, Electric Grid | Tagged , , | 1 Comment

Steam powered farm tractors

Preface. Steam engines weren’t very efficient, 10 to 20% at best, which is why they went away beginning around 1920 when oil-powered engines came along.  At the very best steam engines for transportation reached 10 to 20% efficiency. They were … Continue reading

Posted in Biomass-powered Steam Engines | Tagged , , , , | 8 Comments

Biomass charcoal to create manufacturing high heat

Preface.  The following industries need heat of up 1800 to 3275 F: Chemicals, Forest products, Iron and Steel, Plastics & Rubber, Fabricated metals, Transport Equipment, Computers, electronics & equipment, Aluminum, Cement, Glass, Machinery, Foundries. For nearly all of these products, … Continue reading

Posted in Manufacturing & Industrial Heat, Peak Biofuels, Wood | Tagged , , , | 3 Comments

Why self-driving cars may not be in your future

Preface. Below are excerpts from several articles about why a completely automated vehicle is unlikely.  Heaven forbid they are invented. Researchers have found that people will drive 76% more miles, stop using bicycles and mass transit, waste a considerable amount … Continue reading

Posted in Artificial Intelligence, Automobiles | Tagged , , , , , , , | 1 Comment

Foreign Policy: The limits of clean energy

Preface. This article appeared in the magazine Foreign Policy. Some key points: Renewables to power the world would require 34 million metric tons of copper, 40 million tons of lead, 50 million tons of zinc, 162 million tons of aluminum, … Continue reading

Posted in Alternative Energy, Mining, Peak Lithium | Tagged , , | 7 Comments

Airplanes are energy gluttons. Finite oil should be used for ships, locomotives, & trucks

Preface. As oil declines and the energy crisis worsens, airplanes ought to be the first to go since they are 600 times less energy efficient than large cargo ships (30,000 / 50), 50 to 120 times less efficient than trains, … Continue reading

Posted in Airplanes, Transportation What To Do | 4 Comments

Vaclav Smil on natural gas (ethane) and plastics

Preface. Vaclav Smil doesn’t mention using plastic for heat, but in a letter to The Guardian, David Reed suggests: “The effort of collecting, transporting and cleaning plastics for possible recycling has largely failed, created much more pollution and contributed massively … Continue reading

Posted in Natural Gas, Vaclav Smil | Tagged , , , | 2 Comments

Venezuela collapse: looting, hunger, blackouts, environmental catastrophe

Preface. Venezuela is experiencing a double whammy of drought and low oil prices, which has lead to blackouts and inability to import food, due to their oil production peaking in 1997.  If you want to know how collapse will unfold … Continue reading

Posted in Social Disorder, Venezuela | Tagged , , | 5 Comments