Air freight (>1500 km) - unknown - RP1678

Tank-to-Wheel (TTW) emission intensity of freight using IATA RP1678 methodology. Published by the Global Logistics Emissions Council Framework for Logistics Emissions Accounting and Reporting v3.0 edition revised and updated (2023). Retrieved from Table 1: Air transport emission intensity factors. GCD is defined as the shortest distance between any two points on the surface of the earth respecting its spherical surface. This factor has been calculated incorporating average loads/empty running/repositioning etc. as appropriate to the transport type and as described by the source.