Category Archives: Energy

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

Gail Tverberg: Why peak coal, oil, and natural gas will all happen at the same time

China: Is peak coal part of its problem? by Gail Tverberg,  OurFiniteWorld.com  | Jun 20, 2016 The world’s coal resources are clearly huge. How could China, or the world in total, reach peak coal in a timeframe that makes a … Continue reading

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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

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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

Posted in Charles A. S. Hall, EROEI Energy Returned on Energy Invested, How Much Left | Tagged , , | 2 Comments

The electromagnetic pulse EMP Threat. May 13, 2005 House of Representatives hearing

[ Related articles: The EMP Commission estimates a nationwide blackout lasting one year could kill up to 9 of 10 Americans through starvation, disease, and societal collapse The Devil’s Scenario – near miss at Fukushima is a warning for U.S. … Continue reading

Posted in Blackouts, EMP Electromagnetic Pulse, Nuclear spent fuel fire | Tagged , , , , | 1 Comment

Why railroads are against running locomotives on natural gas

Since oil is finite, natural gas was seen as a fuel that could extend how long oil lasted by being a “bridge” fuel.  Since natural gas is finite also, and would lead to dependence on unstable foreign nations, the plan … Continue reading

Posted in LNG Liquified Natural Gas, Natural Gas Vehicles, Railroads | Tagged , , , | 2 Comments

Oil discoveries in 2015 lowest since 1947 — 2016 likely to be even lower. Bloomberg

  Mikael, H. August 29, 2016. Oil Discoveries at 70-Year Low Signal Supply Shortfall Ahead. Bloomberg. Explorers in 2015 discovered only about a tenth as much oil as they have annually on average since 1960. This year, they’ll probably find … Continue reading

Posted in How Much Left, Peak Oil | Tagged , | 1 Comment

EROI explained and defended by Charles Hall, Pedro Prieto, and others

[ If you found this post interesting, the following posts are even better (more detailed and in-depth): Tilting at Windmills, Spain’s disastrous attempt to replace fossil fuels with Solar PV, Part 1 Tilting at Windmills, Spain’s disastrous attempt to replace … Continue reading

Posted in Charles A. S. Hall, EROEI Energy Returned on Energy Invested, Pedro Prieto | Tagged , , , | 3 Comments

Coal power plants depend on railroads to deliver coal

[ The extract of a Senate hearing below is mostly spent on testimony by utilities bashing the railroads for not delivering enough coal due to a disaster in the Powder River Basin, Wyoming area, where coal dust infiltrated the stone … Continue reading

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Tilting at Windmills, Spain’s disastrous attempt to replace fossil fuels with Solar PV, Part 2

[ In Charles Hall’s latest 2017 book, “Energy Return on Investment: A Unifying Principle for Biology, Economics, and Sustainability“, he says that he has embarked on a project to discover why solar advocate EROI results are so much higher than … Continue reading

Posted in Charles A. S. Hall, EROEI Energy Returned on Energy Invested, Pedro Prieto, Photovoltaic Solar, Solar EROI | Tagged , , , | Comments Off on Tilting at Windmills, Spain’s disastrous attempt to replace fossil fuels with Solar PV, Part 2

Peak coal 2013-2045 — most likely 2025-2030

Dennis Coyne. March 11, 2016. Coal Shock Model. peakoilbarrel.com Coal is an important energy resource, but we do not know how the size of the economically recoverable resource that will eventually be recovered. The mainstream view is that there are extensive coal … Continue reading

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