As we approach 2025, companies preparing for FuelEU Maritime compliance will need to adapt to yet another update: the shift from AR4 (IPCC’s Fourth Assessment Report) to AR5 (IPCC’s Fifth Assessment Report) Global Warming Potentials (GWPs). This adjustment has been mentioned by the European Maritime Safety Agency (EMSA) to be implemented before the start of FuelEU Maritime in January 2025 and will affect how greenhouse gas emissions are calculated for compliance under the reg