RT null T1 Integrated Assessment of Low Carbon Transport at the National Level: Approach and Framework A1 United Nations Environment Programme, A2 P.R. Shukla, YR 2011 FD 2011-08 LK https://wedocs.unep.org/handle/20.500.11822/16877 UL https://wedocs.unep.org/handle/20.500.11822/16877 NO https://www.unep.org/transport/lowcarbon DS UN Environment Document Repository RD Sep 17, 2026