Categories
-
Recent Posts
- Oil choke points vulnerable to war, chaos, terrorism, accidents, & piracy
- Nuclear weapons must be reduced or we risk nuclear winter
- Fusion is already running out of fuel
- Peak Oil is Officially Here! World oil production peaked November of 2018
- Wood, the fuel of preindustrial societies, is half of EU renewable energy
- Rare Earth updates: recent research on why complex & intelligent life are rare in the Universe
- Book review of “Chip War” and the Fragility of microchips
- The tremendous material and energy toll of the digital economy
- Nuclear attack on U.S. could kill 90% of Americans
- What percent of Americans are rational?
- Book review of Lights Out. A Cyberattack. A Nation Unprepared. Surviving the Aftermath
- Off-Road vehicles & equipment need diesel fuel
- Book review of “Prime Movers of Globalization: the History & Impact of Diesel Engines & Gas Turbines”
- Mental Health. Coping with the future: notes from Jackson & Jensen’s “An Inconvenient Apocalypse”
- Tesla Semi trucks hauling corn chips
Tag Archives: EROI
ITER fusion: How’s it coming along?
Preface. Fusion is the only possible energy resource that could replace fossil fuels according to Martin Hoffert, et al in the 2002 Advanced Technology Paths to Global Climate Stability: Energy for a Greenhouse Planet, Science. I’m not so sure fusion … Continue reading
Posted in EROEI Energy Returned on Energy Invested, Fusion
Tagged delay, EROI, fusion, ITER, nuclear
2 Comments
Crash alert: China’s resource crisis could be the trigger
Preface. Way to go Nafeez Ahmed, your second home run of reality based reporting on the energy crisis this week. There are countless economists within the mainstream media predicting an economic crisis worse than in 2008, but they totally ignore … Continue reading
Posted in Crash Coming Soon, EROEI remaining oil too low, Peak Oil
Tagged china, debt, EROI, financial crisis, peak oil
Comments Off on Crash alert: China’s resource crisis could be the trigger
Why tar sands, a toxic ecosystem-destroying asphalt, can’t fill in for declining conventional oil
This is a book review of Tar Sands: Dirty Oil and the Future of a Continent by Andrew Nikiforuk. Many “energy experts” have said that a Manhattan tar sands project could prevent oil decline in the future. But that’s not … Continue reading
Peak Oil, Coal and Natural gas in China
Preface. Below are excerpts from 2 articles. You may want to read Tverberg’s article here since I left out the charts and included just a few excerpts. Some key points: The world needs growing energy supply to support the world … Continue reading
Posted in EROEI Energy Returned on Energy Invested, Peak Coal, Peak Natural Gas, Peak Oil
Tagged china, EROEI, EROI, peak coal, peak natural gas, peak oil
Comments Off on Peak Oil, Coal and Natural gas in China
Renewable EROI must include storage, low capacity factor, wide boundaries
[ Trainer argues that when you consider how the capacity factor of wind and solar are to fossil plants, seasonality of wind and solar the number of facilities is quite large to deal with the intermittency problem. Therefore the storage … Continue reading
Richard Heinberg on why low oil prices do not mean there is plenty of oil, EROI, collapse
[ 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
Posted in Oil, Peter Turchin, Richard Heinberg, Social Disorder
Tagged 100% renewable, collapse, EROI, oil, prices, richard heinberg, social instability, violence
Comments Off on Richard Heinberg on why low oil prices do not mean there is plenty of oil, EROI, collapse
Peak soil: Industrial agriculture destroys ecosystems and civilizations: Biofuels make it worse
Preface. In 2018 I thought it was time to reorganize this post, as it grew more and more bloated and disorganized with new information. Eventually it turned into my 2021 book Life After Fossil Fuels: A Reality Check on Alternative … Continue reading
Posted in Alternative Energy, Biofuels, Biomass, Energy, Peak Biofuels, Peak Topsoil, Soil
Tagged aquifer depletion, biodiesel, biofuel, climate change, EROEI, EROI, erosion, ethanol, fertilizer, hunger, peak soil, pollution, topsoil
2 Comments
Minerals: Natural gas from Ugo Bardi’s “Extracted”
Preface. This is just a small sampling of what Bardi thinks might happen post fossil fuels, mostly shortened and reworded. Here are 7 other posts from this great book: Mining: Waste, Pollution, Destruction Ugo Bardi predictions of the future Minerals … Continue reading
Posted in EROEI Energy Returned on Energy Invested, Oil & Gas Fracked
Tagged EROEI, EROI, fracked gas, shale gas, shale oil, tight gas, tight oil
1 Comment
Why studies come up with different Energy Returned on Invest (EROI) results: can it be fixed?
[ There are many issues with biofuels beyond their trivial to negative energy return on investment (EROI). In Peak Soil I point out that current industrial farming techniques are destroying topsoil about 15 times faster than pre-fossil fuel economies — … Continue reading
Posted in Biofuels, Biomass EROI, Charles A. S. Hall
Tagged biomass, EROEI, EROI, ethanol
Comments Off on Why studies come up with different Energy Returned on Invest (EROI) results: can it be fixed?
Murphy & Hall 2011 Adjusting the economy to the new energy realities of the second half of the age of oil
[ Below are excerpts from this 5 page paper, slightly rearranged, go here to see all of the text, figures, and tables. Alice Friedemann www.energyskeptic.com author of “When Trucks Stop Running: Energy and the Future of Transportation, 2015, Springer] Murphy, … Continue reading