Fuelwood Use and Carbon Emission Reduction of Improved Biomass Cook Stoves; Evidence From Kitchen Performance Test in Tigray, Ethiopia

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Abstract Background In Ethiopia, biomass is the main form of fuel approximately for 92% of the population. Currently, several strategies were designed to reduce fuelwood consumption and greenhouse gases (GHG) emission by implementing improved cooking stoves (ICS). Nevertheless, the adoption of ICSs has been very slow. Therefore, these studies were conducted to assess the performance of ICS (“Mirt” and Tikikil”) on fuelwood consumption and greenhouse gas emission (GHG) in the kitchens of real households.Methods To select the study households (HH), both cross-sectional and longitudinal study designs were used. We used Kitchen Performance Test (KPT), based on three days of repeated fuel wood use measurements to compare the wood-saving performance of ICS and the traditional cook stoves (TCS). The carbon emission in the study area was calculated based on the clean development mechanism and United Nation’s Framework of Convention on Climate change.Result The study indicated that there were significant differences (p < 0.05) between the use of improved and traditional cooking stoves in total and per capita wood consumption. The use of “Mirt” and “Tikikil” than the traditional stove reduced the household wood consumption by 35 % (438 kg/ year) and 18% (185 kg/ year), respectively. Likewise, use of these ICS stoves lead to decrease of 0.65 and 0.27 tons of carbon dioxide equivalents (CO2 e) per stove per year. ConclusionAdopting of ICS reduced the amount of fuelwood used and carbon emission at household level significantly as compared to the use of TCS. This finding have implication on adoption of ICS technology is important on reducing CO2 emission, forest degradation and household workloads.

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