Hazardous emissions from vehicle traffic have fallen in Sweden’s second largest city since the introduction of a congestion tax system. Gothenburg, a city of around 500,000 inhabitants, has seen a welcome fall in both nitrogen oxides and particulate matter, according to the city’s local authority.
      
  
           
                          
                October 31, 2013
              
            
                          
                Read time: 1 min
              
                    
                Hazardous emissions from vehicle traffic have fallen in Sweden’s second largest city since the introduction of a congestion tax system. Gothenburg, a city of around 500,000 inhabitants, has seen a welcome fall in both nitrogen oxides and particulate matter, according to the city’s local authority.
      
     
    


