Transport Yearbook 2021

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7.2.2. Carbon monoxide emissions (CO) by mode of transport (tonnes)

  2015 2017 2018 2019 2020 2021
Total transport 110 322 101 159 103 787 83 715 70 891 71 705
Individual road passenger transport 85 491 78 422 82 184 64 061 55 737 56 159
Bus public passenger transport including urban transport 998 961 884 772 648 645
Road goods transport 13 088 11 119 10 259 8 609 6 791 6 363
Motorcycles 5 486 5 088 4 866 4 713 4 276 5 154
Railway transport - motor traction 1 170 1 217 1 205 1 155 1 028 958
Waterway transport 59 79 59 99 79 79
Air transport 4 031 4 273 4 331 4 305 2 332 2 348

Source: MD