Home / Standards / GB/T 46530-2025 GB/T 46530-2025 Active Grades and evaluation methods of carbon dioxide emission intensity for commercial ships 营运船舶二氧化碳排放强度等级及评定方法 Standard Type GBT ICS 03.220.40 CCS R04 Status 现行 Issue Date 2025-10-31 Implementation 2026-05-01 Responsible Dept 交通运输部 Drafting Unit N/A