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道路輸送脱炭素化戦略の適応：スペイン、ノルウェー、英国の比較研究

Adapting Road Transport Decarbonization Strategies: A Comparative Study Between Spain, Norway, and the United Kingdom (原題)

Rosa Picon-Garcia, Jorge Bañuelos-Gimeno, Carlos Romero, Rosa Arce, Paal Brevik Wangsness, Caroline Mullen, Hedda Strømstad, Zihao An

Lecture Notes in Mobilityジャーナル2026-10-31#EV・輸送対象セクター: transport
DOI: 10.1007/978-3-032-37207-9_34
原典: https://doi.org/10.1007/978-3-032-37207-9_34

🤖 gxceed AI 要約

日本語

欧州で2番目に大きいCO2排出源である輸送部門の脱炭素化について、ノルウェー、スペイン、英国の3カ国を比較した研究。代替燃料車（バス、軽車両、大型車）の普及政策と実績を「野心-達成」フレームワークで評価。ノルウェーは政策野心と普及の両面でリードし、特に代替燃料軽車両シェア30.4%はスペイン（2.2%）の10倍以上。長期的な財政政策の一貫性が規制目標のみよりも普及を説明することを示す。

English

This paper compares road transport decarbonization pathways in Norway, Spain, and the UK, focusing on alternative fuel deployment for buses, LDVs, and heavy-duty vehicles. Using an Ambition-Achievement framework, it finds Norway leads in both policy ambition and adoption (30.4% AF LDV share vs. Spain's 2.2%), while the UK shows strong regulatory ambition but uneven results. Long-standing fiscal consistency, rather than targets alone, explains Norway's success.

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

日本でも運輸部門の脱炭素化は重要課題であり、EV普及における補助金・税制の一貫性の重要性は、日本の政策設計（グリーン成長戦略）にも示唆を与える。ただし欧州固有の政策文脈が強く、直接的な日本への適用には注意が必要。

In the global GX context

This study offers empirical evidence on the effectiveness of fiscal consistency versus regulatory targets in transport decarbonization, relevant to global policy discussions under the Paris Agreement. It contributes to the broader literature on policy evaluation for hard-to-abate sectors, though its focus on three European countries limits generalizability.

👥 読者別の含意

🔬研究者:Provides a comparative framework for assessing policy ambition versus achievement in transport decarbonization, useful for empirical policy analysis.

🏢実務担当者:Highlights the importance of stable fiscal incentives for fleet electrification, relevant for companies planning vehicle procurement strategies in Europe.

🏛政策担当者:Demonstrates that long-term fiscal consistency, not just regulatory targets, drives alternative fuel adoption, offering lessons for policy design.

📄 Abstract（原文）

Abstract Transport is the second largest emitter of CO2, responsible for 23.8% of total emissions in Europe. Yet decarbonization in transport is progressing more slowly than in other sectors. This highlights the challenge of decarbonizing a sector deeply linked to economic growth, where options are constrained. Meeting the challenges requires more than high-level models and demands instead concrete, context-specific policy evaluations to meet the objectives of the Paris Agreement. This paper assesses how Norway, Spain, and the United Kingdom design and implement decarbonization pathways in road transport, with a focus on alternative fuel (AF) deployment for buses, light-duty vehicles (LDVs), and heavy-duty vehicles. Drawing on national policy reviews, Path2Zero project data, and an Ambition-Achievement framework, we compare policy targets with current fleet data to identify gaps and takeaways. Results show that Norway leads in both policy ambition and adoption, particularly its AF LDV share (30.4%), which is more than ten times Spain’s (2.2%), while the UK shows strong regulatory ambition but uneven results. Long-standing fiscal consistency, rather than regulatory targets alone, explains Norway’s leadership. These findings can be useful for policymakers and companies working toward transport decarbonization by 2050.

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