Categories
-
Recent Posts
- The insect apocalypse will kill billions more people than climate change
- The war on drugs. A book review of “Chasing the scream”
- Peak crude oil did not happen in 2018. But we are still running out of time
- Sheriffs have too much power
- Book review “They poisoned the world: Life & death in the age of Forever Chemicals”
- John Howe on one child per woman: still too high to stay under limits to growth curves
- Ted Trainer: The radical implications of a zero growth economy
- Part 5 Raven Rock. Hidey holes for government and military officials to carry on democracy after nuclear war destroys the planet
- Become a Bison rancher
- Part 4 Raven Rock. The government abandons plans to aid the public, only the government to survive
- Prisoners are treated worse than slaves in America
- Part 3 Raven Rock. The government’s plans for after a nuclear holocaust
- Part 2 Raven Rock. The U.S. government’s plans to save civilians from nuclear war
- Legal & Illegal Immigration numbers must drop to carrying capacity
- Part 1 Intro. Raven rock: the story of the U.S. governments secret plans to save itself after a nuclear war and let the rest of us die
Category Archives: Peak Biofuels
Fill ‘er up with kelp?
Preface. Here are just a few of the dozens of reasons why seaweed can’t make a dent in energy supplies: A negative return on investment like corn ethanol No commercial biofuels are being made from it. Kelp is mainly used … Continue reading
Posted in Biomass, Energy, Peak Biofuels, Seaweed
Tagged EROEI, ethanol, kelp, macro-algae, macroalgae, nuclear war, peak biofuels, seaweed
Comments Off on Fill ‘er up with kelp?
Why biofuels can not scale up to replace petroleum
Preface. This is my favorite paper on why we can’t replace crude oil with biofuels. Of course, oil is a biofuel. But alas, not renewable, since it took over 100 million years to make them. Every year we burn fossil … Continue reading
Posted in Biofuels, Oil, Peak Biofuels
Tagged peak biofuels, peak oil
Comments Off on Why biofuels can not scale up to replace petroleum
Why it is hard to replace diesel with biodiesel
Biodiesel is the great hope, our main hope, the only renewable fuel of all the many options, and the closest to the diesel essential for rail, trucks, and ships to do the actual work of civilization. The U.S. produces over … Continue reading
Posted in Biodiesel, Food production, Oil, Peak Biofuels, Peak Food, Transportation, Water
Tagged biodiesel, diesel, EROI
1 Comment
Biogas from cow manure is not a solution for the energy crisis
Preface. Smil’s article about biogas sums up why it won’t contribute to energy shortages as fossils decline. Biogass doesn’t scale and is easy to muck up. Hayes (2015) also makes this case, pointing out that even if every ounce of … Continue reading
Posted in Biofuels, Biomass EROI, Peak Biofuels, Pollution
Tagged bacteria, biofuel, biogas, cow manure, EROI, pollution
2 Comments
Biomass charcoal to create manufacturing high heat
Preface. The following industries need heat of up 1800 to 3275 F: Chemicals, Forest products, Iron and Steel, Plastics & Rubber, Fabricated metals, Transport Equipment, Computers, electronics & equipment, Aluminum, Cement, Glass, Machinery, Foundries. For nearly all of these products, … Continue reading
Posted in Manufacturing & Industrial Heat, Peak Biofuels, Wood
Tagged biomass, charcoal, industrial heat, wood
3 Comments
Peak soil: Industrial agriculture destroys ecosystems and civilizations: Biofuels make it worse
Preface. In 2018 I thought it was time to reorganize this post, as it grew more and more bloated and disorganized with new information. Eventually it turned into my 2021 book Life After Fossil Fuels: A Reality Check on Alternative … Continue reading
Posted in Alternative Energy, Biofuels, Biomass, Energy, Peak Biofuels, Peak Topsoil, Soil
Tagged aquifer depletion, biodiesel, biofuel, climate change, EROEI, EROI, erosion, ethanol, fertilizer, hunger, peak soil, pollution, topsoil
2 Comments