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Angeles City News June Philippines
www.zamboanga.com
... country's power supply but also lessen the nuisance of piling garbage, said Ruby De Guzman, division chief of DOE's Biomass Energy Management Division.
Untapped biomass to solve power deficit in Mindanao | MindaNews
www.mindanews.com
Ruby de Guzman, chief of biomass division of the Department of Energy Central Office, told participants that biomass energy is carbon neutral ...
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