gas production / stable energy source / gas pipe / portable floating gas holder / plastics / hydrocarbon gas / energy source / cause gas production / rural and renewable energy / digester energy efficient means / litre metal container / experimental metal digester / energy needs / crude oil / rubber cork / abundant energy resources / end products / dia steel rod / cooker gas stove / gas holder / biogas media / energy requirements / industrial chemicals / organic chemicals / metal container / natural gas / digester gas valve 3d week / energy sources / waste products / metal cutting / methane gas / chemical reattion / chemical treatments / hydrogen gas / gas valves / steel sheet / community participation various products / rubber trough / digester gas / rubber hose / energy / /
NaturalFeature
Jebba lake / Kainji lake / /
Organization
US Federal Reserve / iVational Institute for Freshwater FisherIes Research / /