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Determinants of Household Transition of Cooking Fuel in Energy-Rich Peripheries: Evidence from Mozambique

エネルギー豊富な周辺地域における家庭の調理燃料転換の決定要因:モザンビークからの証拠 (AI 翻訳)

Chocoroua Omar, Fumiaki Inagaki, Ayako Watanabe

Sustainability📚 査読済 / ジャーナル2026-05-26#エネルギー転換
DOI: 10.3390/su18115354
原典: https://doi.org/10.3390/su18115354

🤖 gxceed AI 要約

日本語

本研究は、モザンビークのエネルギー豊富な周辺地域における434世帯の調査データを用いて、調理燃料選択の決定要因を分析した。所得上昇は電力やLPGの選択確率を高め、価格は有意な負の予測因子である。エネルギーインフラの信頼性も重要であり、システム障害を経験した世帯は天然ガスからの転換率が2倍以上高まる。政府はガスインフラ投資とクリーン調理の啓発を優先すべきである。

English

This study analyzes household cooking fuel choices in Mozambique's energy-rich peripheries. Rising income increases electricity/LPG adoption; price is a strong negative predictor. Infrastructure reliability matters: households with energy incidents are over twice as likely to switch from natural gas. Policy should prioritize gas infrastructure and clean cooking awareness.

Unofficial AI-generated summary based on the public title and abstract. Not an official translation.

📝 gxceed 編集解説 — Why this matters

日本のGX文脈において

本研究成果は、モザンビークのガスインフラ投資の優先順位付けに役立つ。日本のODAやガス関連企業のアフリカ展開において、クリーン調理燃料への移行政策への示唆を与える。

In the global GX context

This paper provides empirical evidence on clean cooking transitions in a natural-gas-rich African country, informing sustainable energy policies and infrastructure investments in similar contexts globally.

👥 読者別の含意

🔬研究者:Empirical evidence on the role of price, income, and infrastructure reliability in cooking fuel choices in Mozambique.

🏢実務担当者:Insights for designing household energy interventions in energy-rich peripheries.

🏛政策担当者:Recommends prioritizing gas infrastructure and public awareness campaigns for clean cooking.

📄 Abstract(原文)

Despite Mozambique’s substantial natural gas reserves, most households rely on solid biomass for cooking, with serious consequences for public health, livelihoods, and the environment. The domestic use of these resources could improve energy efficiency, security, and sustainable development. This mixed-methods study uses household interviews, descriptive statistics, multinomial, and conditional logit models, analyzing data from a random survey of 434 households in energy-rich peripheries of northern Inhambane and Maputo City to ascertain the determinants of household cooking energy choice. Results reveal that rising income increases the odds of choosing electricity, LPG, and biomass over natural gas. In energy-rich peripheries, the odds of selecting biomass over natural gas are reduced by 96.2% compared to non-energy-rich regions. Educational and urban habitation are positively correlated with the adoption of electricity and liquefied petroleum gas (LPG). Price serves as a significant negative predictor of fuel selection (OR ≈ 0.000001), whereby each unit increase in price per GJ substantially diminishes the likelihood of opting for alternatives over domestic gas. Monthly fuel expenditure positively predicts electricity, LPG, and biomass adoption (OR = 1.0042), with effects accumulating meaningfully across realistic spending ranges. Households that experienced energy system incidents were more than twice as likely to switch away from natural gas (OR = 2.072), reflecting the critical role of infrastructure reliability in fuel choice. Given natural gas’s potential as a clean cooking transition fuel, the government should prioritize investment in gas infrastructure, expand domestic supply, and promote public awareness of the health and environmental benefits of clean cooking energy.

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