By Sergio López Barrera
Huế, Vietnam. In the villages of Huế, Vietnam, rice farming is their main source of income. Still, there has been a rapidly increasing demand for livestock products. Biogas technology is currently a widespread decentralised source of energy in rural Vietnam. Small-scale biogas plants have the capacity to reduce environmental pollution and enhance living conditions of the local community. As a result, this technology combines different job occupations for income diversity.
