A Book About Sustainable Energy (Endorsed by Bill Gates)

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"The problem with most discussions about ways to save energy is that they're based on incorrect information and it's time to have a serious look at what can and can't be done." - David MacKay

So where can we find the "correct information"?

Ta-da! Order the book from Amazon for $32.90.

Or better yet, download the ebook for free...
http://www.withouthotair.com/download.html

"I didn't write this book to make money. I wrote it because sustainable energy is important." - David MacKay

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