Europe calls for the coverage of fertilisers: the farmer will face a cost without economic return to avoid fines and tightening. They will probably be financially aided by subsidies, but they will not improve their budget. The widespread installation of plants with power up to 100 Kw does not require particular bureaucracy.Each project gives resilience to the territory, the community, gain and ecological protection. https://en.wikipedia.org/wiki/Anaerobic_digestion#/media/