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1.A.3.b vi-vii - Road Transport: Automobile Tyre and Brake Wear and Road Abrasion
This overview chapter provides information on emissions from automobile tyre and brake wear & road abrasion are reported reported in NFR sub-categories 1.A.3.b vi and 1.A.3.b vii. These sub-categories are important sources for a) particle emissions and b) emissions of heavy metals, POPs etc. included in these particles.
| NFR-Code | Name of Category |
|---|---|
| 1.A.3.b vi | Automobile Tyre and Brake Wear |
| 1.A.3.b vii | Automobile Road Abrasion |
Methodology
Activity data
Specific mileage data for all different types of road vehicles are generated within TREMOD (Knörr et al., 2020a) 1). The following table provides an overview of annual mileages.
Table 1: Mileage data for road vehicles 1990-2019, in 10^^6^^ kilometers
| 1990 | 1995 | 2000 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Passenger Cars | 492.280 | 535.524 | 565.345 | 580.076 | 581.645 | 585.236 | 582.194 | 592.591 | 596.532 | 606.233 | 607.519 | 612.573 | 623.683 | 630.995 | 638.156 | 643.711 | 643.198 | 645.829 |
| Light Duty Vehicles | 14.259 | 23.294 | 31.541 | 35.938 | 36.679 | 37.830 | 38.290 | 38.755 | 39.226 | 39.703 | 40.185 | 40.673 | 43.112 | 45.330 | 47.457 | 49.698 | 51.918 | 53.659 |
| Heavy Duty Vehicles | 40.827 | 54.279 | 62.659 | 60.974 | 63.492 | 65.618 | 65.395 | 60.917 | 62.979 | 64.519 | 63.810 | 64.318 | 64.822 | 65.823 | 66.697 | 67.346 | 68.059 | 68.968 |
| thereof: Lorries & Trucks | 36.657 | 50.362 | 58.621 | 56.877 | 59.374 | 61.483 | 61.244 | 56.751 | 58.799 | 60.324 | 59.572 | 60.064 | 60.553 | 61.408 | 62.138 | 62.833 | 63.539 | 64.396 |
| thereof: Buses | 4.170 | 3.916 | 4.038 | 4.098 | 4.119 | 4.135 | 4.150 | 4.166 | 4.180 | 4.195 | 4.238 | 4.254 | 4.269 | 4.415 | 4.560 | 4.512 | 4.520 | 4.572 |
| Two-wheelers | 15.734 | 12.303 | 15.161 | 15.621 | 15.647 | 15.804 | 15.616 | 15.807 | 15.298 | 14.866 | 14.463 | 14.196 | 14.200 | 14.508 | 14.519 | 14.523 | 14.625 | 14.842 |
| thereof: Lorries & Trucks | 5.917 | 3.830 | 4.047 | 4.191 | 4.278 | 4.548 | 4.686 | 5.192 | 4.990 | 4.855 | 4.742 | 4.755 | 4.684 | 4.870 | 4.831 | 4.749 | 4.849 | 4.922 |
| thereof: Buses | 9.817 | 8.473 | 11.113 | 11.429 | 11.370 | 11.256 | 10.931 | 10.615 | 10.308 | 10.011 | 9.721 | 9.441 | 9.516 | 9.638 | 9.687 | 9.773 | 9.776 | 9.920 |
| TOTAL MILEAGE | 522.272 | 571.120 | 612.046 | 631.634 | 633.971 | 638.870 | 636.100 | 647.153 | 651.056 | 660.801 | 662.167 | 667.443 | 680.994 | 690.832 | 700.132 | 707.932 | 709.742 | 714.330 |
source: TREMOD 6.02 2)
Discussion of emission trends
Please see sub-category chapters 1.A.3.b vi - Automobile Tyre and Brake Wear and 1.A.3.b vii - Automobile Road Abrasion .
Recalculations
Recalculations were carried out due to a fundamental revision of the TREMOD software.
Table 2: Revised mileage data , in 106 kilometers
| 1990 | 1995 | 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | |
| Passenger Cars | |||||||||||||
| Submission 2021 | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Submission 2020 | |||||||||||||
| absolute change | |||||||||||||
| relative change | |||||||||||||
| Light Duty Vehicles | |||||||||||||
| Submission 2021 | |||||||||||||
| Submission 2020 | |||||||||||||
| absolute change | |||||||||||||
| relative change | |||||||||||||
| HDVs: Trucks | |||||||||||||
| Submission 2021 | |||||||||||||
| Submission 2020 | |||||||||||||
| absolute change | |||||||||||||
| relative change | |||||||||||||
| HDVs: Buses | |||||||||||||
| Submission 2021 | |||||||||||||
| Submission 2020 | |||||||||||||
| absolute change | |||||||||||||
| relative change | |||||||||||||
| Motorcycles & Mopeds | |||||||||||||
| Submission 2021 | |||||||||||||
| Submission 2020 | |||||||||||||
| absolute change | |||||||||||||
| relative change | |||||||||||||
| REVISED TOTAL MILEAGE | |||||||||||||
| Submission 2021 | |||||||||||||
| Submission 2020 | |||||||||||||
| absolute change | |||||||||||||
| relative change |
For changes in the emission factors applied, please refer to the sub-ordinate chapters on tyre and brake wear and road abrasion.
For more information on recalculated emission estimates for Base Year and 2018, please see the pollutant specific recalculation tables following chapter 8.1 - Recalculations.