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sector:energy:fuel_combustion:transport:road_transport:emissions_from_fuel_combustion_in_road_vehicles:heavy_duty_vehicles [2022/03/22 09:25] – [Ammonia and sulphur dioxide] kotzullasector:energy:fuel_combustion:transport:road_transport:emissions_from_fuel_combustion_in_road_vehicles:heavy_duty_vehicles [2022/03/22 09:26] – [Nitrogen oxides] kotzulla
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 Until 2005, NO<sub>x</sub> emissions followed mileage and fuel consumption. Since 2006, in contrast to nearly unchanged fuel consumption, emissions have decreased due to controlled catalytic-converter use and engine improvements resulting from continual tightening of emissions laws.   Until 2005, NO<sub>x</sub> emissions followed mileage and fuel consumption. Since 2006, in contrast to nearly unchanged fuel consumption, emissions have decreased due to controlled catalytic-converter use and engine improvements resulting from continual tightening of emissions laws.  
  
-{{ :sector:energy:fuel_combustion:transport:road_transport:emissions_from_fuel_combustion_in_road_vehicles:1a3biii_em_nox.png?700 }}+{{ :sector:energy:fuel_combustion:transport:road_transport:emissions_from_fuel_combustion_in_road_vehicles:1a3biii_em_nox.png?700 |Annual nitrogen oxides emissions }} }}
  
 ====Non-methane volatile organic compounds (NMVOC) and carbon monoxide ==== ====Non-methane volatile organic compounds (NMVOC) and carbon monoxide ====