Author Archives: energyskeptic

Why is passenger rail so damned inefficient?

[ This is about passenger rail, not freight rail, which is incredibly efficient. Freight rail is efficient because to reduce aerodynamic drag and diesel fuel use (USDOT 2008), they travel on average  only 23 miles per hour (to reduce aerodynamic … Continue reading →

Posted in Mass Transit, Railroads, Transportation | Tagged , , , , | 4 Comments

The 1% have always been with us – even hunter gatherers had inequality

Pringle, H. May 23, 2014. The ancient roots of the 1%. Science 344: 822-825. Don’t blame farming. Inequality got its start among resource-rich hunter-gatherers. In 79 C.E., the year Mount Vesuvius destroyed it, Pompeii was not one city but two. … Continue reading →

Posted in Distribution of Wealth | Tagged , | 3 Comments

Why the demise of civilization is inevitable

MacKenzie, D. April 2, 2008. Why the demise of civilisation may be inevitable. NewScientist. Every civilization in history has collapsed. Why should ours be any different? Homer-Dixon doubts we can stave off collapse completely. He points to what he calls … Continue reading →

Posted in Infrastructure, Interdependencies | Tagged , , , | 1 Comment

Effects of biodiesel on diesel engines: John Deere

[ Since petroleum is finite, the most important focus of U.S. energy research ought to be keeping trucks operating, since civilization ends when trucks stop running.  Ideally this would be done with a “drop-in” fuel that can be burned in … Continue reading →

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Restore wild bison

[ Native wild animals have the least impact on ecosystems. While cattle plod along in line with one another, bison dance their own unique steps across the landscape, and don’t develop deep rutted grooves that can erode soil like cattle … Continue reading →

Posted in Farming & Ranching | Tagged , , | 1 Comment

A U.S. Senate hearing on T. Boone Pickens plans for natural gas and wind to reduce oil dependence

[ This session is unusual in that the words “peak oil” are spoken several times, and M. King Hubbert, James Howard Kunstler, and Matt Simmons are lauded.   Gal Luft points out that “10 years ago, Osama bin Laden predicted that … Continue reading →

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Natural gas is a stupid transportation fuel

[ My comment: The only reason natural gas has come up as a transportation fuel at all is the false belief that there is 100 years of natural gas (even this article does, but natural gas may last far less … Continue reading →

Posted in Automobiles, Natural Gas Vehicles, Transportation | Tagged , , | Comments Off on Natural gas is a stupid transportation fuel

California could hit the solar wall

[ According to a Stanford University article below this introduction (followed by excerpts from two California Energy Commission reports), if California uses mainly solar power to meet a 50% Renewable Portfolio Standard (RPS), on sunny days, for most of the … Continue reading →

Posted in Photovoltaic Solar, Renewable Integration | Tagged , , , | 4 Comments

Scientific American: Peak oil and coal may keep catastrophic climate change in check

[ Since conventional oil, 90% of supply, peaked in 2005-6 we’ve been on a plateau.  Since the rate of conventional oil decline exponentially decreasing, and population is still exponentially increasing, it is unlikely unconventional oil like shale “fracked” oil, tar … Continue reading →

Posted in But not from climate change: Peak Fossil Fuels, Peak Coal, Peak Oil | Tagged , , , | Comments Off on Scientific American: Peak oil and coal may keep catastrophic climate change in check

Ecological cost of new roads in Africa

[ What follows are excerpts from the January 8 2014 issue of Newscientist’s “Africa’s road-building frenzy will transform continent” by Andy Coghlan.  ] China is funding most of the new roads to get the minerals they’ve mined, and transport food … Continue reading →

Posted in Roads, Transportation Infrastructure | Comments Off on Ecological cost of new roads in Africa