Decarbonizing U.S. Manufacturing and Construction Sectors: A Review of Low-Carbon Materials, EPDs, and Buy Clean Policies
米国の製造業と建設業の脱炭素化：低炭素材料、EPD、バイクリーン政策のレビュー (AI 翻訳)
Mariam Dauda, Casper Gate, Laura Enam Anyomi
🤖 gxceed AI 要約
日本語
本論文は、米国の製造・建設部門における低炭素材料と環境製品宣言（EPD）の利用、およびバイクリーン調達政策を批判的にレビューする。代替セメントやリサイクル材などの技術は排出削減に有効だが、コストや性能面で課題がある。EPDは製品比較を改善するが、方法の不統一やデータ不足が障害である。バイクリーン政策は需要シグナルを生むが、対象範囲やデータの不完全さが制約となる。研究ギャップとして、国内ライフサイクルインベントリデータの不足、材料革新と調達実務の統合不足、循環性の未成熟、調和化されたベンチマークの欠如を指摘する。
English
This paper critically reviews low-carbon materials, Environmental Product Declarations (EPDs), and Buy Clean procurement policies in the U.S. manufacturing and construction sectors. It finds that alternative cements and recycled inputs offer significant emission reductions but face cost and performance constraints. EPDs enhance comparability but suffer from inconsistent methods and data gaps. Buy Clean policies create demand signals yet are limited by coverage and data issues. Four research gaps are identified: insufficient domestic life cycle inventory data, poor integration of innovation and procurement, immature circularity pathways, and lack of harmonized benchmarks for embodied carbon.
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
日本でも建設分野の脱炭素化が進む中、本論文で扱うEPD（環境製品宣言）はサステナブル建築物の評価に不可欠である。また、米国のバイクリーン政策は日本のグリーン購入法やカーボンフットプリント制度と比較可能であり、国内調達政策の強化に示唆を与える。
In the global GX context
This U.S.-focused review is globally relevant as EPDs and embodied carbon policies are core to ISSB’s Scope 3 disclosure and transition finance. The identified gaps—data harmonization, circularity, and integration of innovation into procurement—echo challenges faced by regulators and firms worldwide, including under the EU’s CBAM and Japan’s GX promotion.
👥 読者別の含意
🔬研究者:Identifies four research gaps in embodied carbon quantification and policy integration, providing a roadmap for future studies on low-carbon materials and EPD harmonization.
🏢実務担当者:Offers insights for construction and manufacturing firms on adopting EPDs to comply with Buy Clean policies and improve market access for low-carbon products.
🏛政策担当者:Highlights the limitations of current Buy Clean policies and data gaps, informing the design of more effective procurement regulations and carbon benchmarks.
📄 Abstract（原文）
With the decarbonization of U.S energy systems, embodied emissions from manufacturing and construction materials are gaining attention. This critical review examines recent work on low-carbon material pathways, the role of Environmental Product Declarations (EPDs) in quantifying embodied carbon, and the emerging Buy Clean procurement policies. This paper synthesizes advances in alternative cements (high-blast-furnace slag, calcined clay, novel binders) and recycled inputs (recycled concrete aggregate, fly ash, industrial by-products) as means to cut emissions. We also describe how Environmental Product Declarations (EPDs) (governed by product-category rules) provide cradle-to-gate carbon data for construction materials and discuss their rapid adoption as transparency tools. Key findings are that low-carbon material technologies consistently promise large emissions reductions but often face cost or performance constraints. EPDs improve product comparability but are hindered by inconsistent methods and data gaps. Similarly, Buy Clean policies create demand signals but are limited by material coverage and incomplete data. This study identifies four gaps: insufficient domestic life cycle inventory data, poor integration of material innovation and procurement practices, immature circularity pathways, and a lack of harmonized benchmarks for embodied carbon.
🔗 Provenance — このレコードを発見したソース
- openalex https://doi.org/10.5281/zenodo.21284496first seen 2026-07-13 05:47:45 · last seen 2026-07-13 05:48:40
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