South Korea’s transport ministry has raised the limit of dry ice a plane can carry from 3,300 to 11,000 kilogrammes which will allow more containers of vaccines that need to be stored at ultralow temperatures on each flight. Deputy minister for civil aviation Kim Sang-do told Reuters the move will triple the number of containers aircraft can carry and allow a Boeing 747 freighter to haul up to 52 containers of vaccines from the usual 15. Dry ice is typically used by airlines as a cooling … [Read more...] about South Korea cools dry ice rules to boost vaccine air transport