RT null T1 Asia Pacific Diesel Sulphur Levels T2 Asia Pacific Sulphur Map A1 United Nations Environment Programme, PB United Nations Environment Programme YR 2017 FD 2017-03 LK https://wedocs.unep.org/handle/20.500.11822/17530 UL https://wedocs.unep.org/handle/20.500.11822/17530 NO Diesel Fuel Sulphur Level: Asia Pacific Status NO https://www.unep.org/transport/PCFV DS UN Environment Document Repository RD Sep 17, 2026