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general:trends:emission_trends_nitrogen_oxide [2023/04/14 12:56] – [Table] kotzullageneral:trends:emission_trends_nitrogen_oxide [2023/04/14 12:57] (current) – kotzulla
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 ===== Main drivers ===== ===== Main drivers =====
  
-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%** 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 (-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 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.