One mitigation measure has been identified in the transport sector:. 4 – Downsizing the Gambia’s transport sector carbon footprint. Measure. Conditionality. Mitigation potential (in GgCO2e) and timeline. 4 – Downsizing the Gambia’s transport sector carbon footprint. Component 1: Implementation of vehicle fuel efficiency standards Component 2: Strengthening public transport systems Component 3: Increasing use of blended fuel in road transport. Conditional. 129 GgCO2e in 2030.