RT null T1 Global Fuel EconomyInitiativeAchievements and Impacts A1 United Nations Environment Programme, A2 Kamala Ernest, K1 transport YR 2015 FD 2015-12 LK https://wedocs.unep.org/handle/20.500.11822/16911 UL https://wedocs.unep.org/handle/20.500.11822/16911 NO https://www.unep.org/transport/lowcarbon DS UN Environment Document Repository RD Sep 22, 2026