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general:trends:emission_trends_carbon_monoxide [2023/03/15 10:53] – [Main drivers] kotzullageneral:trends:emission_trends_carbon_monoxide [2023/03/15 10:53] – [Main drivers] kotzulla
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 ===== Main drivers ===== ===== Main drivers =====
  
-**CO total emissions** show a falling trend over the whole interval, with emission reductions of 80.6 % between 1990 and 2021 and a renewed interval of emission reductions in the last years. +**CO total emissions** show a falling trend over the whole interval, with emission **reductions of 80.6 %** between 1990 and 2021 and a renewed interval of emission reductions in the last years. 
  
 The Main Driver for CO emissions is **Fuel Combustion (NFR 1.A)** with 90% of total 1990 emissions and an 86% reduction between 1990 and 2021. In the Fuel Combustion category, **Road Transport (NFR 1.A.3.b)** is responsible for 57% of the 1990 emissions, with **Passenger Cars (NFR 1.A.3.b.i)** emitting nearly all of it. Reductions of about 89% in those categories between 1990 and 2021 are mainly due to constantly improving fuels and increasingly stricter regulations resulting in technical improvements.  The Main Driver for CO emissions is **Fuel Combustion (NFR 1.A)** with 90% of total 1990 emissions and an 86% reduction between 1990 and 2021. In the Fuel Combustion category, **Road Transport (NFR 1.A.3.b)** is responsible for 57% of the 1990 emissions, with **Passenger Cars (NFR 1.A.3.b.i)** emitting nearly all of it. Reductions of about 89% in those categories between 1990 and 2021 are mainly due to constantly improving fuels and increasingly stricter regulations resulting in technical improvements.