1.A.3.b.iv Exhaust Emissions from Motorcycles and Mopeds

Last updated on 24 Jan 2013 17:05 by Kevin Hausmann

Short description

In sub-categories 1.A.3.b iv - Road transport: Mopeds & motorcycles emissions from fuel combustion in Motorcycles and Mopeds are reported.

NFR-Code Name of Category Method AD EF Key Source for (by1)
1.A.3.b iv Mopeds & Motorcycles T3 NS CS no key source

1 T = key source by Trend / L = key source by Level

Method

Activity data

Table: Annual fuel consumption of mopeds and motorcycles, [TJ]

1990 1991 1992 1993 1994 1995 1996 1997 1998 1999
Gasoline 16,190 15,108 14,163 14,047 11,541 12,154 12,758 13,270 13,510 14,013
Bioethanol 0 0 0 0 0 0 0 0 0 0
2000 2001 2002 2003 2004 2005 2006 2007 2008 2009
Gasoline 14,184 14,401 15,028 14,651 15,123 15,359 15,165 12,290 12,491 12,547
Bioethanol 0 0 0 0 16 106 219 166 240 359
2010 2011 2012 2013 2014 2015 2016 2017 2018 2019
Gasoline 12,584
Bioethanol 483

For information on mileage, please refer to sub-chapters on emissions from tyre & brake wear and road abrasion.

Emission factors

Emissions factors for exhaust emissions from road transport are taken from the 'Handbook Emission Factors for Road Transport' (HBEFA, version 3.1) where they are provided on a tier3 level mostly and processed within the TREMOD software used by the party. Therefore, it is not possible to display them in a clear and comprehendible table. - For further information, please see the Handbook Emission Factors for Road Transport and the TREMOD software.

Trend discussion for Key Categories

NFR 1.A.3.b iv - Exhaust Emissions from Motorcycles and Mopeds is no key source.

Non-methane volatile organic compounds (NMVOC)

Since 1990, exhaust emissions of NMVOC have decreased due to technical improvements.

Sulphur dioxide (SO2)

As for the entire road transport sector, the trends for sulphur dioxide (SO2) exhaust emissions from two-wheelers shows charcteristics very different from those shown above: Here, the strong dependence on increasing fuel qualities (sulphur content) leads to an cascaded downward trend of SO2 emissions , influenced only slightly by increases in fuel consumption and mileage.

Total suspended particles (TSP)

Particle (TSP) emissions reported here result from the use of leaded gasoline only, therefore decreasing stronlgy until the ban of leaded gasoline in 1997.

Recalculations

Recalculations were carried out impacting all pollutants due to a regular revision of the HBEFA (Handbook Emission Factors for Road Transport 3.1) and the TREMOD software.

AD: Activity data were revised broadly within the TREMOD model used by the inventory compiler as well as in the CSE data warehouse. Here, result mostly from reallocations of consumption shares between the different vehicle types and classes with 1.A.3.b over-all sums remaining nearly unchanged.

Compared to submisison 2011, all emission estimates have lowered significantly due to significantly lower fuel consumption values.

AD for both mopeds and motorcycles was revised within the TREMOD model used by the party leading to strongly decreased values.

Table: Revised consumption data

Mopeds
Unit 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999
Submission 2012 [TJ] 3,682 3,004 2,266 1,929 2,729 2,902 2,780 2,675 2,892 2,877
Submission 2011 [TJ] 6,794 5,424 3,997 3,316 4,557 4,785 4,637 4,464 4,763 4,703
absolute change [TJ] -3,113 -2,419 -1,731 -1,387 -1,828 -1,882 -1,857 -1,789 -1,872 -1,826
relative change [%] -46 -45 -43 -42 -40 -39 -40 -40 -39 -39
Unit 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009
Submission 2012 [TJ] 2,657 2,613 2,364 2,496 2,708 2,721 2,832 2,828 2,901 2,928
Submission 2011 [TJ] 4,160 4,164 3,846 3,945 4,237 4,242 4,368 4,281 4,361 4,312
absolute change [TJ] -1,503 -1,551 -1,482 -1,449 -1,530 -1,520 -1,536 -1,453 -1,460 -1,385
relative change [%] -36 -37 -39 -37 -36 -36 -35 -34 -33 -32
Motorcycles
Unit 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999
Submission 2012 [TJ] 12,508 12,104 11,897 12,118 8,813 9,252 9,978 10,595 10,619 11,136
Submission 2011 [TJ] 15,464 15,442 14,899 15,035 11,663 12,329 13,301 14,227 14,521 15,233
absolute change [TJ] -2,956 -3,338 -3,002 -2,917 -2,851 -3,077 -3,323 -3,632 -3,902 -4,098
relative change [%] -19 -22 -20 -19 -24 -25 -25 -26 -27 -27
Unit 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009
Submission 2012 [TJ] 11,528 11,787 12,664 12,155 12,431 12,743 12,552 9,628 9,830 9,978
Submission 2011 [TJ] 15,679 15,995 17,015 16,577 17,010 17,047 16,762 13,376 13,623 13,529
absolute change [TJ] -4,151 -4,207 -4,351 -4,422 -4,579 -4,304 -4,210 -3,749 -3,793 -3,551
relative change [%] -26 -26 -26 -27 -27 -25 -25 -28 -28 -26

EF for both mopeds and motorcycles was revised within the 'Handbook Emission Factors for Road Transport' and, thus, within TREMOD. In contrast to changes in AD, EF were updated resulting in both decreased and increased values.

For pollutant specific information on qualitative and quantitative impacts on 1990 and 2009 emission estimates see chapter 11. Recalculations and the following chapters.

Uncertainties

Uncertainty estimates for activity data of mobile sources derive from research project FKZ 360 16 023: "Ermittlung der Unsicherheiten der mit den Modellen TREMOD und TREMOD-MM berechneten Luftschadstoffemissionen des landgebundenen Verkehrs in Deutschland". For detailled information, please refer to the project's final report here (German version only!)

Uncertainty estimates for emission factors for all 1.A.3.b sub-categories were compiled during the PAREST research project. Here, the final report has not yet been published.

Planned improvements

At the moment, no category specific improvements are planned.

FAQs


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