These self sustaining homes are being designed by a company based in mexico named "earthship". "Off grid" meaning they try to rely as little as possible on public utilities. Michael Reynolds came up with this idea in
Community of Tiny Houses in Washington Design with Nature and Neighbors in Mind - The Cottage Company out of Washington has been recognized as a leader in designing and building models for sustainable living while keeping style a major component.
The self-contained mobile prefab Coodo lets you live anywhere in the world