| Environmental | Reduction of greenhouse gases, where methane (CH4) is 21 times more harmful than CO2; diversification of energy matrix and gradual substitution of fossil fuels (natural gas, petroleum, charcoal); improvement of air quality. |
| Social | Diffusion of basic sanitary programs, where garbage is not a problem anymore and become an energy solution; increasing of energy supply, since energy is life quality; reduction of migration from rural areas to cities by production of local energy in a sustainable form. |
| Economic | Creation of job opportunities; development of a new energy market; carbon credit (US$150 million a year, considering only bovine waste) [20] [25] . |