Category Archives: Energy

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

Will Artificial Intelligence destroy us?

Preface. When it comes to artificial intelligence, most articles assume it will happen, so discussions range around when and how it will happen. Often speculation that a general AI may use its ability to find patterns in data will allow … Continue reading

Posted in An Index of Best Energyskeptic Posts, Artificial Intelligence, Electric Grid, Electric Grid & Fast Collapse | Tagged , , , , , , , | 3 Comments

Bill Gates on why Electric Airplanes won’t fly

Preface. I wonder if Bill Gates has read my book “When Trucks Stop Running”? As he says in the article below: “The renaissance of electrification that we’re seeing in passenger vehicles unfortunately won’t likely adapted to heavier forms of transportation … Continue reading

Posted in Airplanes, Batteries | Tagged , , , | 1 Comment

Concentrated Solar Power is unreliable, full of glitches, & has a low energy return

Preface.  Concentrating solar power (CSP) projects usually sprawl in a circle over several square miles and can cost over a billion dollars. They use mirrors and lenses to capture the high temperatures needed to efficiently produce or store electricity. Almost … Continue reading

Posted in Concentrated Solar Power, Solar EROI | Tagged , , , | 2 Comments

Largest oil spill on earth: Plastics

Preface. There have been thousands of articles since I published this back in 2003. Today I read a surprising study that claims glass is more harmful than plastic because it is mined from rare materials and requires more fossil fuels … Continue reading

Posted in Hazardous Waste, Oceans, Oil | Tagged , , | 1 Comment

Dust Bowls

Preface. As if there weren’t enough to worry about, more Great Dust Bowls may be on the way.  The irony is that some of it will likely be due to planting corn and soybeans to produce biofuels, yet another reason … Continue reading

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The Texas electric grid outage

Preface. In February of 2021, millions of Texans and Mexicans lost electric power in a hard freeze. Oxer (2021) on the March 2 Power Hungry podcast, said that if the Texas grid had blacked out, it would have taken until … Continue reading

Posted in Alternative Energy, Grid instability, Pedro Prieto | Tagged , , , | 2 Comments

Biocoal from food waste and sewage

Preface. This probably doesn’t have a net energy gain because of the energy to move waste and sewage to a common facility, and then transport these wastes from numerous places to the factory where biomass is converted to coal using … Continue reading

Posted in Biomass, Coal | Tagged , , , , , | 2 Comments

Wanted: Math geniuses and power engineers to make a renewable grid possible

Figure 1. OPF solution of original seven-bus system with generator at bus 4 Preface. The U.S. electric grid produced 64% of electricity in 2019 with finite fossil fuels, and another 20% from nuclear power. Since fossil fuels and uranium are … Continue reading

Posted in Electric Grid & Fast Collapse, Grid instability, Renewable Integration, Smart Grid | Tagged , , , , , , | Comments Off on Wanted: Math geniuses and power engineers to make a renewable grid possible

Why carbon capture contraptions are absurd

Preface.  At the first peak oil conference in Denver (ASPO 2005), many of the other attendees speculated that renewable energy would be the last chance for Wall Street to make money before limits to growth and energy decline put a … Continue reading

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Material and other limits to scaling wind up to 24 GW by 2050

Preface. Here are just a few of the many important points made in this excellent paper: Research showing no constraints on the materials needed to build wind turbines “dismiss potential physical constraints and issues with natural resource supply, and do … Continue reading

Posted in Wind | Tagged , , | 4 Comments