MEPC 80 will be held in London 3-7 July 2023. It is expected to adopt the revised IMO Strategy for Reduction of GHG Emissions from Ships:
Several nations are making proposals to be discussed at themeeting, among them USA:
Will this also affect US domestic shipping (incl. ships serving Hawaii, Alaska and PR from CONUS ports)?
The view of a shipping man:
https://www.preciousshipping.com/en/
EU and US will probably go their own way(s)