To search for the way of life in Japan by solving the destruction of nature and allowing a new social structure to appear for each temporary housing area.

Not only energy crops but also all food scraps are changed into resources as biomass. Everything that can be converted into bioethanol, such as general food scraps from home, excreta of pets, food residue from restaurants, processing waste from food processing companies, sludge from sewerage, excreta from stock farming for about 91 million tons per year, residue from fishery, processing residue from lumber mills, wood-based construction scrap materials or cut trees, and the like are made into bioethanol, stored and subdivided for selling.