Category Archives: Transportation

97% of vehicles and trains run on oil which peaked in world-wide production in 2005 — the tractors to plant and harvest, the trucks to deliver food all depend on combustion engines that burn oil

Hydrogen: The dumbest & most impossible renewable

Posted on August 16, 2024 by

Preface. This post originally appeared in Skeptic Magazine in 2008 as “The Hydrogen Economy. Savior of Humanity or an Economic Black Hole?” I’ve updated it quite a bit since then. Hydrogen is the dumbest, most ridiculous energy alternative. It is … Continue reading →

Posted in Alternative Energy, Electric & Hydrogen trucks impossible, Energy, Hydrogen, Pipeline, Ships and Barges, Trucks | Tagged , , , | 5 Comments

Self-driving cars in San Francisco cause accidents, congestion, and more

Posted on May 17, 2024 by

Cruise robotaxi crashes into firetruck in San Francisco Two companies operate self driving taxis in San Francisco: Waymo and Cruise.  Over 92 problems were reported in 2023, which led to Cruise being suspended, in part due to footage of a … Continue reading →

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Off-Road vehicles & equipment need diesel fuel

Posted on February 1, 2024 by

Preface. Move over semi-trucks. You are not the most important truck in the world, even though I gave you the starring role in “When Trucks Stop Running”.  What really matters are the trucks that grow our fuel: Food. And mining … Continue reading →

Posted in Efficiency, Electric & Hydrogen trucks impossible, Infrastructure & Fast Crash, Transportation Infrastructure, Trucks | Tagged , , , , | 3 Comments

Book review of “Prime Movers of Globalization: the History & Impact of Diesel Engines & Gas Turbines”

Posted on January 25, 2024 by

Preface. This is my book review of Vaclav Smil’s “Prime Movers of Globalization”. A topic near and dear to my heart after working for the 5th largest shipping company, American President Lines (now Neptune Orient Lines), for 22 years and … Continue reading →

Posted in Energy Books, Peak Resources, Rail, Roads, Transportation, Where to Be or Not to Be | Tagged , , , | 1 Comment

Tesla Semi trucks hauling corn chips

Posted on January 11, 2024 by

Preface.  Many dismiss my writing about why heavy-duty class 8 battery electric trucks can’t replace diesel trucks because there are class 8 electric trucks. Most famously the Tesla semi trucks, which are under a trial at the PepsiCo Frito-lay plant … Continue reading →

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Why methanol cannot replace petroleum as a transportation fuel

Posted on December 20, 2023 by

Preface. Methanol, or CH₃OH, is primarily used to make chemicals for plastics, paints, and cosmetics. It is made from coal or natural gas. “Green” methanol is made from biomass or biogas from landfills or sewage plants. Or it can be … Continue reading →

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Do you want to eat, drink, or fly?

Posted on December 6, 2023 by

Preface.  In this post the New York Times writes about renewable airplane fuel from corn ethanol, and questions whether there is enough water and a few other problems.  First I’m going to summarize their issues with this, and then follow … Continue reading →

Posted in Airplanes, Biofuels, Biomass EROI, Groundwater, Peak Water | Tagged , , , , | Comments Off on Do you want to eat, drink, or fly?

Unpave concrete & asphalt to save energy and money

Posted on November 22, 2023 by

Preface. The U.S. has 4.1 million miles of roads (1.9 million paved, 2.2 million gravel). About 3 million miles of roads have less than 2,000 vehicles a day, less than 15% of all traffic. The paved portion of these low-volume … Continue reading →

Posted in Concrete, Roads, Transportation, Transportation What To Do | Tagged , , | 2 Comments

EV charging not possible when restricted or grid down

Posted on August 13, 2023 by

Preface.  I have many posts at energyskeptic on the myriad reasons the grid will fail or disrupted in the future. Climate change is causing droughts and reservoirs too low to generate much hydropower, and nuclear plants must shut down if … Continue reading →

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Hydrogen hopium: Storage

Posted on October 21, 2022 by

Source: Russel Rhodes (2011) Explosive Lessons in Hydrogen Safety. https://appel.nasa.gov/2011/02/02/explosive-lessons-in-hydrogen-safety/ Preface.  What is hopium? Irrational or unwarranted optimism. An addiction to false hopes. A metaphorical substance that causes people to believe in a false hope (H + opium). And Hopium … Continue reading →

Posted in CAES Compressed Air, Drought & Collapse, Electric & Hydrogen trucks impossible, Hopium, Hydrogen, Trucks | Tagged , , , , , , , | Comments Off on Hydrogen hopium: Storage