Category Archives: Energy

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

Coal or Biomass & Coal to Liquids: CTL, DCL, & CBTL technology

Gray, D., et al. August 1, 2012.  Topic Paper #8 Production of Alternative Liquid Hydrocarbon Transportation Fuels from Natural Gas, Coal, and Coal and Biomass (XTL). National Petroleum Council Background With national energy security still being a dominant concern because … Continue reading

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New land converted to cropland to grow biofuel crops equal to 34 coal-fired power plants

Summary of article below: Between 2008 and 2012 over 7 million acres new land, much of it grasslands, were converted to croplands, damaging native ecosystems, and mimics the extreme land-use change that led up to the Dust Bowl in the … Continue reading

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Petroleum council urges Arctic oil to offset declining production in lower 48

The U.S. should immediately begin a push to exploit its enormous trove of oil in the Arctic waters off of Alaska, or risk a renewed reliance on imported oil in the future, an Energy Department advisory council says in a … Continue reading

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All Electric Trucks. Probably not going to happen. Ever. Why not?

There are “forms of transport that cannot be electrified — heavy-duty trucks and planes… Even if the electricity problem can be solved, it won’t address the needs of planes, trucks, ships and some industrial heating that cannot be electrified” (Long). … Continue reading

Posted in Batteries, Lithium-ion, Trucks | Tagged , , , , , , , | 5 Comments

GAO on why ethanol, and other non-drop in fuels, face pipeline & installation at service station challenges

[The challenges that ethanol faces in being put into new or modified pipelines and added to gas stations are issues faced by all alternative fuels (methanol, CNG, LNG, DME, diesohol, CTL, hydrogen, and so on) in a transition from gasoline … Continue reading

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Biofuels do not scale up enough to power society

Richard, T. August 23, 2010. Challenges in scaling up biofuels infrastructure. Science. (329)   Below are excerpts from this paper.  Look at the impossible scale of biomass required: 150 EJ/year = 15 billion metric tons of plant biomass = 200 billion … Continue reading

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A third of Nuclear Reactors are going to die of old age in the next 10-20 years

70% of reactors are over 25 years old, 23% are over 35 years old, so within 10 to 20 years about a third will have to be decommissioned, far more than the 63 under construction.  Some are bound to fail … Continue reading

Posted in ! PEAK EVERYTHING, Nuclear Power Energy | Tagged , | 7 Comments

EROI negative for Coal-to-Liquids (CTL) at Shenuha Direct Coal Liquefaction plant

Kong, Z. et al. 23 January 2015. EROI Analysis for Direct Coal Liquefaction without and with CCS: The Case of the Shenhua DCL Project in China. Energies 8(2): 786-807.   Many nations see coal-to-liquids (CTL) as a way to avoid … Continue reading

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All About Coal

Preface. Below are my notes, statistics, and so on about coal from many publications. Way more fun to look at and understand the coal used to make steel (a different kind is used to generate electricity) is this site: 2022 … Continue reading

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Hydropower has a very low energy density

To store the energy contained in 1 gallon of gasoline requires over 55,000 gallons to be pumped up 726 feet (CCST 2012). As a thought experiment look at what it would take generate all of America’s 4,058 TWh electricity, where … Continue reading

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