Handling of IMO Interim Guidance on the Use of Biofuels under IMO-DCS and CII regulation Full-text PDF:TEC- 1307 (996kb) Contact:MGD Issued:13 Sep 2023 At the 80th Marine Environment Protection Committee (MEPC 80), the Interim Guidance on the use of biofuels under regulations 26, 27, and 28 of MARPOL Annex VI (IMO-DCS and CII regulations) (MEPC.1/Circ.905) was approved. As a result, it is possible to calculate the CO2 emission factor (Cf) for biofuels that meet the conditions, and to use it under the IMO-DCS and CII regulations. The following summary is the IMO Interim Guidance on the Use of Biofuels. 1. Summary of the Interim Guidance about using Biofuels In the 2022 Guidelines on Operational Carbon Intensity Indicators and Calculation Methods (RESOLUTION MEPC.352(78) 2022 GUIDELINES ON OPERATIONAL CARBON INTENSITY INDICATORS AND THE CALCULATION METHODS (CII GUIDELINES, G1)), it is stipulated that