Category Archives: Energy

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

Carbon capture could require 25% of all global energy

Preface.  This is clearly a pipedream. Surely the authors know this, since they say that the energy needed to run direct air capture machines in 2100 is up to 300 exajoules each year. That’s more than half of global energy … Continue reading

Posted in CO2 and Methane, Far Out | Tagged , | 2 Comments

Cheddar Power

Preface. Oh how I love cheddar. When I hear that someone is a vegan I stare in disbelief. A life without cheese is a life not worth living, especially a life without cheddar. As a perpetually hungry child, if Mom … Continue reading

Posted in Far Out | Tagged | 4 Comments

Saudi oil infrastructure at risk from drone attacks

Preface. This NYT article was published 4 months ago, and its warning just came true. Quite prescient! Drones make it pretty easy to anonymously attack the thousands of miles of pipelines across the Arabian peninsula, oil tankers, pumping stations, and … Continue reading

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Why “fracked” shale oil and gas will not save us

Preface. As early as 2011 experts were questioning how large fracked natural gas reserves were. The latest IEA 2018 report predicts shale oil/gas could start to decline by 2025, and all global oil as soon as 2023.  Shale oil and … Continue reading

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Challenges to making California’s grid renewable

What follows is a report from the California Energy Commission. But in less bureaucratic language, this may summarize it better (Petersen 2019): “I’ve always been amazed at a strange mental disconnect that’s common among renewable power advocates. On one hand, … Continue reading

Posted in Grid instability | Tagged , , , , , , , | 1 Comment

Let’s harness the muscle power of 54 million fitness center members to generate electricity

Preface. This is a short summary of a 10-page research paper by Carbajales-Dale. Alice Friedemann www.energyskeptic.com  author of “When Trucks Stop Running: Energy and the Future of Transportation”, 2015, Springer, Barriers to Making Algal Biofuels, and “Crunch! Whole Grain Artisan … Continue reading

Posted in Far Out, Muscle Power | Tagged , | 5 Comments

We evolved to exercise and need high levels of physical activity to be healthy

Preface. This is a summary of Herman Pontzer’s 2019 “Humans evolved to exercise. Unlike our ape cousins, humans require high levels of physical activity to be healthy” in Scientific American. As fossils decline, it’s almost guaranteed you’ll use more muscle … Continue reading

Posted in Health What to do, Muscle Power | Tagged | 2 Comments

Nafeez Ahmed: Venezuela’s collapse is a window into how the Oil Age will unravel

Preface. Ahmed is one of the best writers on the energy crisis and other biophysical calamities. He’s written about why many states are failing now in part due to peak oil, but also drought and other biophysical factors in his … Continue reading

Posted in Peak Oil, Tar Sands (Oil Sands), Venezuela | Tagged , , | 2 Comments

Hydropower can’t help with the energy crisis

Preface. When fossil fuels are gone, there aren’t many ways to balance the unreliable, intermittent, and often absent for weeks at a time power from wind and solar.  Biofuels and burning biomass is one solution, it’s dispatchable and can kick … Continue reading

Posted in Alternative Energy, Energy, Hydropower | Tagged , , | 1 Comment

Black starting the grid after a power outage

Black starts Large blackouts can be quite devastating and it isn’t easy to restart the electric grid again. This is typically done by designated black start units of natural gas, coal, hydro, or nuclear power plants that can restart themselves … Continue reading

Posted in Grid instability | Tagged , , , | 6 Comments