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Continue to ChatSustainable Energy Without the Hot Air by David MacKay https://amateurearthling.org/2012/08/01/sustainable-energy-without-the-hot-air-by-david-mackay/
Sustainable Energy Without the Hot Air by David MacKay https://amateurearthling.org/2012/08/01/sustainable-energy-without-the-hot-air-by-david-mackay/