Beyond the Rainbow: Aligning Hydrogen Color Codes with CO₂ Emissions for a Transparent Energy Transition

Hydrogen is promoted as an essential building block in the energy transition, yet color codes used to describe its production pathways lack consistency. Color labels (e.g., green, blue, grey, black) are adopted in policy and industry discourse but fail to reflect carbon dioxide emissions. This ar...

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Bibliographic Details

Published in:	Ovidius University Annals: Economic Sciences Series
Main Author:	Elena Ocenic
Format:	Article
Language:	English
Published:	Ovidius University Press 2025-08-01
Subjects:	green hydrogen color code carbon dioxide emissions paris agreement
Online Access:	https://stec.univ-ovidius.ro/html/anale/ENG/2025i1/Section%203/18.pdf