Future vision
wOptimization of design of BGDs to make it more suitable for specific conditions and to avoid the difficulties during construction and operation;
wReduction of self-cost of BGDs through replacing its expensive construction materials (concrete)  by cheaper polymeric or other  materials;
wEnlargement of small – scale digesters to increase and diversify the BGDs benefits: electricity, heating;
wEnhanced  Political and Institutional support resulted in sound governmental subsidies, donor assistance, private sector Investments.
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