Tecnologias En Desarrollo undertakes the research, implementation, evaluation and dissemination of projects that have the following common characteristics:· small-scale· constructed using local materials· promote use of renewable and decentralised sources of energy· easy to maintain and repair· low costIn other words, Tecnologias En Desarrollo promotes technology that is environmentally friendly, socially equitable, economically viable and culturally acceptable to local people and will contribute to improving their quality of life.The charity`s principal activity is the installation of biogenerators and latrines in rural and urban fringe communities in the Cochabamba region. The project was borne out of the need to address the energy issue in an environmentally friendly way, combining renewable energy with the creation of a system for treating human and animal waste.