Nigerian Pidgin (pcm) | Change Language (Change Language)
  1. 1985-01-01 This book provides paratechnical information forfield staff and counterpart personnel in Third World countries for use in planning environmentally sound small-scale projects.
  2. Renewable energy is becoming crucially important as concern over burning fossil fuels is increasing and the price of oil continues to rise. Biogas technology has undergone great developments since the first designs in the 1970s. Large national projects are working very effectively in countries...