Political pledges require detailed decarbonisation delivery
The 2020s are about refining and scaling up the technology to bring down costs. The mechanics of the regulatory framework that will allow such processes to succeed, or fail, are up for grabs, but the fact that US, Australia, India and Japan have recognised green corridors offer an opportunity to test zero-carbon fuels on key routes should be taken as a positive political indicator, rather than being written off wholly as governmental greenwash
Quad nations commitment to a green shipping network can be classed as political rhetoric rather than detailed diplomatic action plan, but the fact that shipping is being discussed and the timeline is 2030, not 2050, at least offers the promise of macro-momentum