The plans I remember reading about (5 or so years ago) were about building large scale raceway ponds out in AZ, NM and that area as you had the ideal sun, cheap

The plans I remember reading about (5 or so years ago) were about building large scale raceway ponds out in AZ, NM and that area as you had the ideal sun, cheap land, and it could be dried naturally further reducing energy consumption. I've also read a bit about them trying to use it for animal feed but I never could get the full story on that.