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February 2, 2026Environmental Science & Technology

Methane Emissions from Household Gas Stoves: Significance and Mitigation Potential

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Authors

XXXiangang XuHarbin Institute of TechnologyXZXinyue ZhongChinese Academy of SciencesYWYe WangHarbin Institute of Technology

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Implication

Measures methane emissions from household stoves, indicating significant reduction opportunities.

Key Points

  • The research aims to characterize methane emissions from household gas stoves and explore mitigation strategies.
  • Measured methane emissions from 62 household gas stoves in China.
  • Calculated average emission factors and confidence intervals.
  • Analyzed the correlation between emission rates, stove age, and usage frequency.
  • Estimated national methane emissions projections for household stoves.
  • Identified the stove inlet valve as a significant emission source.
  • Average methane emission factor was 0.20 kg per stove per year.
  • 63% of emissions were due to incomplete combustion during operation.
  • High-power use emissions positively correlated with stove age and usage frequency.
  • Projected annual emissions of 66 Gg of methane from household stoves by 2025.
  • Closing the stove inlet valve could reduce emissions by one-third, avoiding 0.13 Tg of methane from 2026 to 2030.

Cite This Study

Xu et al. (2026) studied this question.

synapsesocial.com/papers/6980fc91c1c9540dea80e6e1https://doi.org/10.1021/acs.est.5c14951
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