The Glasgow Climate Pact signed on the 26th Conference of the Parties of United Nations Framework Convention on Climate Change in 2021, saws representatives' determination for carbon neutrality by 2050. Meanwhile, "Net Zero by 2050: a Roadmap for the Global Energy Sector" proposed by International Energy Agency has suggested hydrogen as a decarbonization technology in various fields. As a clean, stable power with diverse sources, hydrogen provides a promising solution for energy, industry, and transportation, making hydrogen economy a prominent international topic, prompted developed countries actively investing in hydrogen technologies, setting out development pathways, offering policies and subsidies for short, mid and long-term goals. With net-zero by 2050 commitment, Taiwan introduced its goals in 2021, followed by "Taiwan's Pathway to Net-Zero Emissions in 2050" proposed by the National Development Council in 2022, unveiling a cross-ministerial aggregate strategy. Among its twelve
