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How much fuel does it take to power the world? (Synopsis)

20 Sep 2017, 14:01 UTC
How much fuel does it take to power the world? (Synopsis)
(200 words excerpt, click title or image to see full post)

“In terms of weapons, the best disarmament tool so far is nuclear energy. We have been taking down the Russian warheads, turning it into electricity. 10 percent of American electricity comes from decommissioned warheads.” -Stewart Brand
Arguably the greatest advance of humanity — and the cause of the greatest increase in our quality of life — in the past few centuries has been the widespread availability of electrical energy. It powers our homes, our industries, our automobiles, our places of business and more. Our world runs on energy, with the world using upwards of 155,000 TeraWatt-hours annually. That’s a huge amount of energy, and it requires a huge amount of fuel. But must it?
World energy consumption by part of the world, based on BP Statistical Review of World Energy 2015. Image credit: Gail Tverberg / Our Finite World.
If we were to power the world entirely with coal, oil, or natural gas, it would take billions of tonnes of fuel each year to make it happen. If we switched to nuclear, those “billions” drop to thousands. And if we could switch to nuclear fusion or even antimatter, the amount of fuel plummets even further. Looking at the numbers, it ...

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