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Beyond Techno-Centered Decarbonization Roadmaps: Designing Demand-Side Pathways for Sustainable Mobility

技術中心の脱炭素ロードマップを超えて：持続可能なモビリティのための需要側経路の設計 (AI 翻訳)

Magnaval, Gabriel, Corre, Soline, Mouhoub, Maël, Margni, Manuele, Boulay, Anne-Marie

EarthArXivプレプリント2026-06-05#エネルギー転換Origin: EU
DOI: 10.31223/x5qf6p
原典: https://eartharxiv.org/repository/object/13386/download/23588/

🤖 gxceed AI 要約

日本語

本研究は、需要側緩和策を自動車バリューチェーンのライフサイクルアセスメントに統合する枠組みを提案。スイスの陸上モビリティに適用した結果、技術中心のロードマップでは気候目標と銅供給制約を同時に達成できないことが判明。需要側の全てのレバー（移動需要削減、モーダルシフト、車両効率向上）の協調的活性化が必要であり、特に走行距離と車両サイズの大幅削減と高電化率が求められる。

English

This study introduces a Demand-Side Decomposition Analysis framework that integrates demand-side mitigation into life cycle assessment of the automobile value chain. Applied to Swiss terrestrial mobility, it reveals that current technology-centered roadmaps cannot simultaneously meet climate targets and copper supply constraints. Achieving objectives requires coordinated activation of all demand-side levers, including reducing travel demand, shifting modes, and improving vehicle intensities, alongside high electrification rates.

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

日本の自動車産業は電動化シフトが進むが、本論文は供給側偏重のロードマップに警鐘を鳴らし、需要側対策の重要性を示す。日本の脱炭素政策（グリーン成長戦略）にも示唆を与える。

In the global GX context

This paper challenges conventional techno-centric decarbonization narratives in the transport sector, offering a reproducible framework for integrating demand-side measures. It is particularly relevant for countries like Switzerland and Japan facing resource constraints and ambitious climate targets, and contributes to the global discourse on sustainable mobility pathways.

👥 読者別の含意

🔬研究者:Researchers studying sustainable mobility or LCA can adopt the Demand-Side Decomposition Analysis framework to evaluate demand-side policies in other contexts.

🏢実務担当者:Corporate sustainability teams in the automotive sector can use the findings to rethink product portfolios beyond pure electrification, emphasizing vehicle downsizing and mobility services.

🏛政策担当者:Policymakers should note that technology-only approaches are insufficient; demand-side measures like travel reduction and modal shift must be central to transport decarbonization strategies.

📄 Abstract（原文）

Decarbonization roadmaps for the automobile sector predominantly rely on supply-side improvements and electrification, yet their ability to deliver the required environmental reductions remains uncertain. This study introduces the Demand-Side Decomposition Analysis framework, which consistently integrates demand-side mitigation into a parametrized life cycle assessment of the automobile value chain and links environmental impacts with decent living standards to identify pathways compatible with both environmental limits and basic social needs. Applied to Swiss terrestrial mobility, this novel framework shows that current technology-centered roadmaps fail to simultaneously meet climate targets and copper supply constraints. Achieving these objectives requires coordinated activation of all demand-side levers, including reducing travel demand, shifting transport modes, and improving vehicle intensities. Substantial reductions in motorized travel distance and vehicle size, alongside high electrification rates, are necessary. These findings call for repositioning demand-side mitigation at the core of ecological transition pathways, with supply-side improvements acting as enabling supports.

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gxceed は公開メタデータに基づく研究支援データセットです。要約・翻訳・解説は AI 支援で生成されています。 最終的な解釈・検証は利用者が原典資料に基づいて行うことを前提とします。