RT null T1 Overview of vehicle database A1 United Nations Environment Programme, YR 2015 FD 2015-11 LK https://wedocs.unep.org/handle/20.500.11822/16860 UL https://wedocs.unep.org/handle/20.500.11822/16860 NO Par$aldataelabora$on,analysisandiden$fiedproblems NO https://www.unep.org/transport/gfei DS UN Environment Document Repository RD Sep 18, 2026