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Biogas-based electric power rather than electricity from fossil fuels is an option for reducing green house gas emissions. The positive effects are even greater if the biogas energy content is used in cogeneration systems and consumption of fossil fuel for heat is avoided.

Using biogas from organic waste flows may also make a very significant contribution to climate change mitigation. The natural decomposition of organic matter produces methane, which has a high global warming potential (25 times that of carbon dioxide). The global warming potential of these emissions is significantly reduced if the methane is used to generate electricity and heat.

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