eroei, Tag

Featured Image Guest Seinfeld routine by David Middleton In Part One of this series, we looked at Peak Oil and its irrelevance to energy production and also discussed the relevance of Seinfeld...

Under what conditions will a technology be able to survive the energy contraction associated with the depletion of fossil fuels? Which types of technologies are sustainable in a world that can only make use of resources...

Under what conditions will a technology be able to survive the energy contraction associated with the depletion of fossil fuels? Which types of technologies are sustainable in a world that can only make use of resources...

My major point when I gave my talk at the Fifth Biophysical Economics Conference at the University of Vermont was that our economy’s overall energy return on investment is already too low to maintain the economic system...

This is a guest post by Adam Brandt, Assistant Professor from Stanford University, Department of Energy Resources Engineering.

The International Energy Agency (IEA) provides unrealistically high oil forecasts in its new 2012 World Energy Outlook (WEO). It claims, among other things, that the United States will become the world’s largest oil...

In the United States, we have been working on scaling up wind energy but not getting very far. In 2010, wind energy supplied only 2.3% of electricity purchased.

In recent years, we have heard statements indicating that it is possible to decouple GDP growth from energy growth. I have been looking at the relationship between world GDP and world energy use and am becoming increasingly...

This is a guest post by Tom Murphy. Tom is an associate professor of physics at the University of California, San Diego. This post originally appeared on Tom's blog Do the Math. Many Do the Math posts have touched on the...

The EIA published International Energy Outlook 2011 (IEO 2011) on September 19, showing energy projections to 2035. One summary stated, "Global Energy Use to Jump 53%, largely driven by strong demand from places like India...

This is a guest post from Dolores García, an independent researcher based in Brighton, UK.

The idea that high oil prices cause recessions shouldn’t be any surprise to those who have been following my writings, or those of Dave Murphy, or those of Jeff Rubin...

Readers have been asking questions about a couple of shale oil articles recently. One is an AP article called New drilling method opens vast oil fields in US. A similar article is a CNBC article titled Massive New US Oil...

Below the fold is rerun of an essay from Cutler Cleveland on energy transitions. The unfolding drama in the Gulf of Mexico serves as a reminder of how dependent our modern civilization has become on fossil fuels. Dr. Cleveland's...

Energy Return of Water Invested (EROWI). From an article by Robert Service in