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Recent Posts
- The Biblical Revelations, critical thinking, and how this affects us today
- Why the U.S. is ignoring nuclear winter in nuclear policies & strategies
- Oil choke points vulnerable to war, chaos, terrorism, accidents, & piracy
- Nuclear weapons must be reduced or we risk nuclear winter
- Fusion is already running out of fuel
- Peak Oil is Officially Here! World oil production peaked November of 2018
- Wood, the fuel of preindustrial societies, is half of EU renewable energy
- Rare Earth updates: recent research on why complex & intelligent life are rare in the Universe
- Book review of “Chip War” and the Fragility of microchips
- The tremendous material and energy toll of the digital economy
- Nuclear attack on U.S. could kill 90% of Americans
- What percent of Americans are rational?
- Book review of Lights Out. A Cyberattack. A Nation Unprepared. Surviving the Aftermath
- Off-Road vehicles & equipment need diesel fuel
- Book review of “Prime Movers of Globalization: the History & Impact of Diesel Engines & Gas Turbines”
Category Archives: Alternative Energy
Fossil-fueled industrial heat hard to impossible to replace with renewables
Preface. Cement, steel, glass, bricks, ceramics, chemicals, and much more depend on fossil-fueled high heat (up to 3200 F) to make. Except for the electric-arc furnace to recycle existing steel, there aren’t any renewable ways to make cement, other metals, … Continue reading
Posted in Alternative Energy, Manufacturing & Industrial Heat
Tagged electricity, heat, hydrogen, manufacturing
2 Comments
Foreign Policy: The limits of clean energy
Preface. This article appeared in the magazine Foreign Policy. Some key points: Renewables to power the world would require 34 million metric tons of copper, 40 million tons of lead, 50 million tons of zinc, 162 million tons of aluminum, … Continue reading
Germany’s renewable energy program, Energiewende, is a big, expensive failure
Preface. After reading this post, or better yet the original 44-page document, you’ll understand why the Green New Deal isn’t working out despite being crazy expensive. The goal of Energiewende was to make Germany independent of fossil fuels. But it … Continue reading
Hydropower can’t help with the energy crisis
Preface. When fossil fuels are gone, there aren’t many ways to balance the unreliable, intermittent, and often absent for weeks at a time power from wind and solar. Biofuels and burning biomass is one solution, it’s dispatchable and can kick … Continue reading
High-Tech can’t last: limited essential elements with limited lifespans
There are 17 rare earth elements in the periodic table. About nine of those elements go into every iPhone sold… and if China were suddenly to disappear from a map tomorrow, Apple would lose about 90% of those elements. Source: … Continue reading
Vaclav Smil: from wood to coal to oil, energy transitions take a long time
Preface. This post has a shortened, reworded, and heavily commented on article from Scientific American in 2014. You can also see two much longer articles about energy transitions by Smil from n 2008 and 2010 here: A transition from fossil … Continue reading
Posted in Alternative Energy, Coal, Dependence on Oil, Energy Infrastructure, Vaclav Smil
Tagged coal, gas, oil, renewables, solar, transition, vaclav smil, wind, wood
1 Comment
Book review of Vaclav Smil’s “Energy Transitions: History, Requirements, Prospects”
Preface. In my extract of the 178 pages in the book below, Smil explains why renewables can’t possibly replace fossil fuels, and appears to be exasperated that people believe this can be done when he writes “Common expectations of energy … Continue reading
Posted in Alternative Energy, Energy Books, Vaclav Smil
Tagged biofuels, coal, energy, geothermal, hydropower, kinetic, LNG, muscle power, nuclear, solar, vaclav smil, wind
13 Comments
Challenges & opportunities for alternative transportation fuels and vehicles. U.S. House hearing, 2011
Preface. Congress is aware that an energy crisis looms, though they seldom acknowledge or deal with it. Here are a few excerpts from this U.S. House hearing (2011) The American energy initiative part 6: Challenges & opportunities for alternative transportation … Continue reading
Posted in Alternative Energy, U.S. Congress Energy Policy, U.S. Congress Transportation
Tagged biodiesel, biofuel, cellulose, energy crisis, energy dependence, natural gas
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