Biogas

Gas gas shine nau'in mai a cikin yanayin gas wanda aka samo shi da hannu ko aka ƙirƙira shi da hannu saboda halayen da ke faruwa tare da lalacewar kwayar halitta a ciki akwai ƙananan ƙwayoyin cuta da sauran abubuwa kamar kasancewar ko rashin oxygen. Gudanar da wannan man don amfanin ɗan adam yana kawar da gurɓatar muhalli da zasu samar idan ba'a sarrafa su ba kuma, bi da bi, ana samun sa samar da makamashi mai tsafta ta hanyar rage hayakin gas cutarwa ga ozone layer.