Category Archives: Energy

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

Hydrogen fuel cell cars are a waste of time and money, and explosive

Preface. Below are several articles about hydrogen.  Today in 2019 it is still far from commercial.  A massive amount of infrastructure needs to be in place before people will consider buying hydrogen fuel cell cars, and because of explosions in … Continue reading

Posted in Hydrogen | Tagged , , , | 3 Comments

Getting Arctic oil and natural gas will take decades or more

Preface. Only one exploratory well can be drilled in the short arctic summers, and many more need to be drilled to even find and then explore the size of a potential oil field to see if it is worth extracting.  … Continue reading

Posted in Arctic | Tagged , , | Comments Off on Getting Arctic oil and natural gas will take decades or more

Russia has been bombarding Ukraine with fake news since 2014. Sound familiar?

Preface.  Long before Russia bombarded the U.S. with fake news in the 2016 election campaign, Ukraine was the target, where Russia honed its propaganda skills. The parallels with their fake news assault on the U.S. are striking, perhaps if more … Continue reading

Posted in Critical Thinking, Oil shock collapse, Politics | Tagged , , , , | 2 Comments

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

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

Rust Power

Preface.  This is yet another article with an energy generation idea that will probably never work out and become commercial.  But it gives hope and dreams to ordinary people who think what a cool idea, and who will never check … Continue reading

Posted in Far Out | Tagged , | 2 Comments