RT null T1 Stabilizing Greenhouse Gas (GHG) Emissions from Road Transport through Doubling of Global Vehicle Fuel Economy: Regional Implementation of the Global Fuel Economy Initiative (GFEI) A1 United Nations Environment Programme, A1 Regional Environmental Center, K1 greenhouse gas emission YR 2017 FD 2017-02 LK https://wedocs.unep.org/handle/20.500.11822/16858 UL https://wedocs.unep.org/handle/20.500.11822/16858 NO https://www.unep.org/transport/gfei DS UN Environment Document Repository RD Sep 24, 2026