Hello, I'm Mr. name Kwinphop meaning. Today I will present a special problem, topic, subject, An analysis of the costs and benefits of biogas systems, creation of a dairy farm. A case study of fretmin farm, Chiangmai, I study because I think that renewable energy is energy that is important and necessary in the present and future. Bio-gas is one of the most efficient renewable energy. It is easier to help reduce environmental problems, such as problems with foul problems, rueangklin flies from farm and domestic waste can reduce the amount of greenhouse gases as well. Fretmin farm dairy farms, Chiang Mai is a large and suitable for renewable energy is a different farm. I hope that this time the study data will be useful for farmers, farm organizations, and the general public to study or used as a component of the decision to produce bio-gas, and I think many farmers and farm system should be created to produce bio-gas energy use and reduce pollution problems themselves, help reduce greenhouse gases to the world of the future.
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