RT null T1 Promoting Cleaner and More Efficient Vehicles - The Global Fuel Economy Initiative A1 United Nations Environment Programme, PB United Nations Environment Programme YR 2016 FD 2016-05 LK https://wedocs.unep.org/handle/20.500.11822/16846 UL https://wedocs.unep.org/handle/20.500.11822/16846 NO https://www.unep.org/transport/gfei DS UN Environment Document Repository RD Sep 20, 2026