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The 'Phe4GOLD' project aims to power jewelry production exclusively with green hydrogen. The first operational meeting took place at Graziella Holding in Arezzo on January 26, 2026. Funded by Italy's Ministry of Environment, the project seeks to implement zero-impact solutions for the jewelry supply chain using renewable energy.

Coordinated by BRT Consulting, the project plans to install a hydrogen electrolyzer prototype by July 2026. This technology will utilize artificial intelligence tailored for the jewelry sector. The initiative involves multiple partners including the University of Pisa and G-Smart. The goal is to create a replicable model integrating technology, AI, and craftsmanship to enhance sustainability and reduce emissions.