Greenhouse implications of household stoves: An analysis for India

被引:198
作者
Smith, KR [1 ]
Uma, R
Kishore, VVN
Zhang, JF
Joshi, V
Khalil, MAK
机构
[1] Univ Calif Berkeley, Berkeley, CA 94720 USA
[2] East West Ctr, Environm Program, Honolulu, HI 96848 USA
[3] Tata Energy Res Inst, New Delhi 110003, India
[4] Environm & Occupat Hlth Sci Inst, Piscataway, NJ 08854 USA
[5] Swiss Agcy Dev & Cooperat, New Delhi 110021, India
[6] Portland State Univ, Dept Phys, Portland, OR 97207 USA
来源
ANNUAL REVIEW OF ENERGY AND THE ENVIRONMENT | 2000年 / 25卷
关键词
greenhouse gases; household fuels; cookstoves; biomass fuel cycles;
D O I
10.1146/annurev.energy.25.1.741
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
It is commonly assumed that biomass fuel cycles based on renewable harvesting of wood or agricultural wastes are greenhouse-gas (GHG) neutral because the combusted carbon in the form of CO2 is soon taken up by regrowing vegetation. Thus, the two fifths or more of the world's households relying on such fuels are generally not thought to play a significant role in GHG emissions, except where the wood or other biomass they use is not harvested renewably. This review examines this assumption using an emissions database of CO2, CO, CH4, NMHC, N2O, and total suspended particulate emissions from a range of household stoves in common use in India using six biomass fuels, kerosene, liquefied petroleum gas, and biogas. Because typical biomass stoves are thermally inefficient and divert substantial fuel carbon to products of incomplete combustion, their global warming commitment (GWC) per meal is high. Depending on time horizons and which GHGs are measured, the GWC of a meal cooked on a biomass stove can actually exceed that of the fossil fuels, even if based on renewably harvested fuel. Biogas, being based on a renewable fuel and, because it is a gas, being combusted with high efficiency in simple devices, has by far the lowest GWC emitted at the stove per meal and is indicative of the advantage that upgraded fuels made from biomass have in moving toward sustainable development goals. There are a number of policy implications of this work, including revelation of a range of win-win opportunities for international investment in rural energy development that would achieve cost-effective GHG reduction as well as substantial local benefits.
引用
收藏
页码:741 / 763
页数:25
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