Tag Archives: renewable energy

Why it (sort of) makes sense for the US to impose tariffs

Nearly everyone wonders, “Why is Donald Trump crazy enough to impose tariffs on imports from other countries? How could this possibly make sense?” As long as the world economy is growing rapidly, it makes sense for countries to cooperate with … Continue reading

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Electricity won’t save us from our oil problems

Almost everyone seems to believe that our energy problems are primarily oil-related. Electricity will save us. I recently gave a talk to a group of IEEE electricity researchers (primarily engineers) about the current energy situation and how welcoming it is for … Continue reading

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Intermittent Renewables Can’t Favorably Transform Grid Electricity

Many people are hoping for wind and solar PV to transform grid electricity in a favorable way. Is this really possible? Is it really feasible for intermittent renewables to generate a large share of grid electricity? The answer increasingly looks … Continue reading

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Our economic growth system is reaching limits in a strange way

Economic growth never seems to be as high as those making forecasts would like it to be. This is a record of recent forecasts by the International Monetary Fund: Figure 2 shows world economic growth on  a different basis–a basis … Continue reading

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We are at Peak Oil now; we need very low-cost energy to fix it

This past week, I gave a presentation to a group interested in a particular type of renewable energy–solar energy that is deployed in space, so it would provide electricity 24 hours per day. Their question was: how low does the … Continue reading

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