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general:trends:emission_trends_nitrogen_oxide [2023/03/15 14:20] – [Main drivers] kotzullageneral:trends:emission_trends_nitrogen_oxide [2023/04/14 10:56] – [Table] kotzulla
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 NO<sub>x</sub> **total emissions** show a falling trend from 1990 onwards, with emission **reductions of 66.1%** between 1990 and 2021 and steadily falling emissions in the last years.  NO<sub>x</sub> **total emissions** show a falling trend from 1990 onwards, with emission **reductions of 66.1%** between 1990 and 2021 and steadily falling emissions in the last years. 
  
-The Main Driver for NO<sub>x</sub> emissions is **Fuel Combustion (NFR 1.A)** with over 91% of 1990 emissions and a 69% reduction from 1990 to 2021. More than half of the 1990 emissions from **Fuel Combustion (NFR 1.A)** and a similar reduction (-73%) between 1990 and 2021 comes from **Road Transportation (NFR 1.A.3.b)**, mainly due to constantly improving fuels and increasingly stricter regulations resulting in technical improvements. +The Main Driver for NO<sub>x</sub> emissions is **Fuel Combustion (NFR 1.A)** with over 91% of 1990 emissions and a 69% reduction from 1990 to 2021. More than half of the 1990 emissions from **Fuel Combustion (NFR 1.A)** and a similar reduction (-76%) between 1990 and 2021 comes from **Road Transportation (NFR 1.A.3.b)**, mainly due to constantly improving fuels and increasingly stricter regulations resulting in technical improvements. 
  
 The rest of the 1990 emissions mainly comes from **Energy Industries (NFR 1.A.1)** with a 24% share of 1990 Fuel Combustion (NFR 1.A) emissions and a 62% reduction and to a lesser extend from **Manufacturing Industries and Construction (NFR 1.A.2)** with an 12% share and 73% reduction followed by **Other Sectors (NFR 1.A.4)** with a share of 8% in 1.A and a 41% reduction between 1990 and 2021. For **Manufacturing Industries and Construction (NFR 1.A.2)** some emissions were reassigned to the **Industrial Processes (NRF 2)** starting from the year 2000, leading to lower emissions from the energy sector and a similar rise in the Industrial processes. The rest of the 1990 emissions mainly comes from **Energy Industries (NFR 1.A.1)** with a 24% share of 1990 Fuel Combustion (NFR 1.A) emissions and a 62% reduction and to a lesser extend from **Manufacturing Industries and Construction (NFR 1.A.2)** with an 12% share and 73% reduction followed by **Other Sectors (NFR 1.A.4)** with a share of 8% in 1.A and a 41% reduction between 1990 and 2021. For **Manufacturing Industries and Construction (NFR 1.A.2)** some emissions were reassigned to the **Industrial Processes (NRF 2)** starting from the year 2000, leading to lower emissions from the energy sector and a similar rise in the Industrial processes.
  
-__Table: NO<sub>x</sub> emissions 1990-2021__+__Table: NO<sub>x</sub> emissions 1990-2021, in kilotonnes [kt]__
  
-^  Total Emissions (kt)                                                                                                                          |||||||||||||||^  Trend: latest compared to                                                                  || +^                                                                                                                                |||||||||||||||^  Trend: latest compared to                                                                  || 
-^  1990                  ^  1995  ^  2000  ^  2005  ^  2010  ^  2011  ^  2012  ^  2013  ^  2014  ^  2015  ^  2016  ^  2017  ^  2018  ^  2019  ^  2020  ^  2021  ^  1990                                            ^  last years                               ^ +^  1990  ^  1995  ^  2000  ^  2005  ^  2010  ^  2011  ^  2012  ^  2013  ^  2014  ^  2015  ^  2016  ^  2017  ^  2018  ^  2019  ^  2020  ^  2021  ^  1990                                            ^  last years                               ^ 
-|                  2,847 |  2,172 |  1,868 |  1,617 |  1,458 |  1,437 |  1,432 |  1,435 |  1,391 |  1,366 |  1,332 |  1,276 |  1,188 |  1,104 |    974 |    966 |  {{:general:trends:down_green.png|down}} -66.1%  |  {{:general:trends:down_green.png|down}}  |+|  2,843 |  2,169 |  1,866 |  1,616 |  1,459 |  1,438 |  1,434 |  1,437 |  1,394 |  1,368 |  1,334 |  1,279 |  1,191 |  1,107 |    976 |    969 |  {{:general:trends:down_green.png|down}} -65.9%  |  {{:general:trends:down_green.png|down}}  |
  
 {{ :general:trends:iir_nox_trend.png?direct&800 | trend of NO<sub>x</sub> emissions, by sector**}} {{ :general:trends:iir_nox_trend.png?direct&800 | trend of NO<sub>x</sub> emissions, by sector**}}
 {{ :general:trends:iir_nox_trend_from_2005.png?direct&800 | trend of NO<sub>x</sub> emissions, by sector, from 2005}} {{ :general:trends:iir_nox_trend_from_2005.png?direct&800 | trend of NO<sub>x</sub> emissions, by sector, from 2005}}