The document describes the MHS-GreenRV, a modular and prefabricated recreational vehicle, mobile home, and modular building system that is energy efficient and made from sustainable materials. Key features include an aluminum frame, insulated walls and roof that meet ENERGY STAR standards, reusable modular components, ability to assemble multiple units, and resistance to wind and snow. It is promoted as an innovative green design that can be used for camping, housing, offices, and trade shows.