国际能源署IEA：全球氢能回顾2021（英文版）

After several false starts, a new beginning around the corner The time is ripe to tap into hydrogen’s potential contribution to a sustainable energy system. In 2019, at the time of the release of the IEA’s landmark report The Future of Hydrogen for the G20, only France, Japan and Korea had strategies for the use of hydrogen. Today, 17 governments have released hydrogen strategies, more than 20 governments have publicly announced they are working to develop strategies, and numerous compani