Category Archives: Energy

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

Vaclav Smil on wood

[ I’ve extracted bits about wood from Smil’s book about materials below, read the book for the larger context.  Enormous amounts of wood were used in former civilizations with much smaller populations than today, so it’s clear we can’t go … Continue reading

Posted in Vaclav Smil, Wood | Tagged , , | 2 Comments

China is securing energy resources. A potential threat to Europe and U.S. interests.

Preface. China is vastly expanding its fleet of natural gas heavy-duty trucks to 700,000 in 2018 and similar or more amounts after that.  They are building pipelines to Russia and other Central Asian countries to keep the gas coming.  I … Continue reading

Posted in Natural Gas, U.S. Congress Energy Dependence, U.S. Congress Energy Policy | Tagged , | 1 Comment

Is Peak Oil dead? Not by a long shot! Remember Ladyfern?

Preface. Oil is finite. Period. Don’t be fooled by news stories that peak oil is dead, or we have reached peak demand.  They’re all nonsense. Gail Tverberg at ourfiniteworld.com is especially good at explaining this. Worse yet, what we have … Continue reading

Posted in Oil & Gas Fracked, Peak Natural Gas | Tagged , , , | 1 Comment

Given the laws of physics, can the Tesla Semi really go 500 miles, and what will the price be?

Preface: Most people think that electric truck makers need to tell us the specs — the battery kWh, price, performance, and so on — before we can possibly know anything about their truck. But that’s simply not true.  We know … Continue reading

Posted in Efficiency, Electric & Hydrogen trucks impossible, Lithium-ion, Trucks: Electric | Tagged , , , , , , , , | 16 Comments

Overview of the renewable fuel standard, U.S. House hearing 2013

House 113-61. June 26, 2013. Overview of the renewable fuel standard: Government perspectives. House of Representatives. [Excerpts from the 104 page transcript follow] Key points: The implicit premise that cellulosic and other advanced biofuels would be available in significant quantities … Continue reading

Posted in Renewable fuel standard RFS, U.S. Congress Transportation | Comments Off on Overview of the renewable fuel standard, U.S. House hearing 2013

Mining: Waste, Pollution, Destruction from Ugo Bardi’s “Extracted”

Preface. I’ve reworded/shortened some of the wording at times from this excellent book. Here are 7 other posts from this great book: Mining: Waste, Pollution, Destruction Ugo Bardi predictions of the future Minerals and War Minerals: Natural gas Minerals: Coal … Continue reading

Posted in Chemicals, Hazardous Waste, Mining, Nuclear Waste, Pollution, Ugo Bardi | Tagged , , , , , , , , | 2 Comments

Why is nearly all solar power built where subsidies are the highest?

If solar net energy return is as high as some solar advocates claim, why does solar need any subsidies? And not just U.S. subsidies, it’s subsidies on top of subsidies when you add in that we’re buying Chinese government subsidized … Continue reading

Posted in Concentrated Solar Power, Photovoltaic Solar, Solar EROI, U.S. Congress Energy Policy | Tagged , , , , , , | 6 Comments

What would happen if trucks stopped running?

Preface. In “Why You Should Love Trucks” I showed that essential supply chains depend on trucks nearly completely.  Because of little inventory and dependence on just-in-time deliveries, our civilization would almost immediately feel the repercussions of trucks stopping. In fact, … Continue reading

Posted in Cascading Failure, Dependence on Oil, Electric & Hydrogen trucks impossible, Infrastructure & Fast Crash, Oil Shocks, Transportation Infrastructure, Transportation Supply chain, Trucks, When Trucks Stop Running | Tagged , , , , | Comments Off on What would happen if trucks stopped running?

How long will the marriage of fracked oil and tar sands last?

[ Below is a post by Art Berman which I found interesting because I’m concerned about whether enough diesel can be made in the future to keep trucks running.  Light tight “fracked” oil is better at making plastics and gasoline … Continue reading

Posted in Oil & Gas Fracked, Tar Sands (Oil Sands) | Tagged , , , | 4 Comments

Underground pumped hydro storage is the only technology capable of massive storage for renewable electricity

[ Picard concludes that “None of the candidate technologies for massive-scale renewable and sustainable generation of ‘‘green’’ electricity deliver it in a form suitable for high-efficiency storage. None of the prospectively-massive storage modes for transformed electricity is at present well … Continue reading

Posted in Electric Grid & Fast Collapse, Energy Storage, Grid instability, Hydropower, Renewable Integration | Tagged , | 4 Comments