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Greening China's rural energy: new insights on the potential of smallholder biogas

机译：绿化中国农村能源：关于小农沼气潜力的新见解

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摘要

This study assesses a new generation of smallholder biogas, an applied sustainable energy technology currently being rolled out on a massive scale in rural China. In the past, the implementation of biogas programs has been largely disappointing, in China (and elsewhere). User satisfaction with the new program is high, based on purposively collected data from 2,700 households in five provinces, and the available evidence suggests tangible environmental and economic benefits. There are strong indications of fuel switching away from fuelwood and crop residues. Less time is spent on fuelwood collection and cooking, which benefits women especially. Adopters save on fertilizers by using biogas residues. Finally, problems with suspension and interrupted supply appear lower than in earlier studies. Overall, these initial findings are grounds for optimism about the potential for scaled-up smallholder biogas to deliver safe and clean rural energy, in China and beyond, provided critical conditions are met.
机译：这项研究评估了新一代的小农户沼气，这是一种正在应用的可持续能源技术，目前正在中国农村地区大规模推广。过去，在中国（及其他地区），沼气项目的实施一直令人失望。根据有计划地从五个省的2700户家庭中收集的数据，用户对新计划的满意度很高，现有证据表明，该计划带来了明显的环境和经济效益。有强有力的迹象表明燃料从薪柴和农作物残留物转移。花在薪柴收集和烹饪上的时间更少，这对妇女尤其有利。采用者通过利用沼气残渣来节省肥料。最后，停工和供应中断的问题似乎比以前的研究要少。总体而言，这些初步发现为在满足关键条件的情况下扩大小农户沼气在中国及其他地区提供安全清洁的农村能源的潜力提供了乐观的理由。

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