| output | 
      Em109-PT | 
      Transport via railways in PT | 
      1.00 | 
      MEUR2011 | 
      614 | 
      614 | 
    
    
      | emission | 
      Air - Carbon dioxide, fossil | 
       | 
      534 | 
      t | 
      534 | 
      534 | 
    
    
      | emission | 
      Air - Dinitrogen monoxide | 
       | 
      0.0288 | 
      t | 
      7.62 | 
      7.62 | 
    
    
      | emission | 
      Air - Methane, biogenic | 
       | 
      0.158 | 
      t | 
      4.40 | 
      4.40 | 
    
    
      | emission | 
      Air - Methane, fossil | 
       | 
      1.69 | 
      t | 
      51.6 | 
      51.6 | 
    
    
      | emission | 
      Air - PFC as CO2-eq | 
       | 
      3.26 | 
      t | 
      3.26 | 
      3.26 | 
    
    
      | emission | 
      Air - Sulfur hexafluoride | 
       | 
      7.724e-05 | 
      t | 
      1.76 | 
      1.76 | 
    
    
      | emission | 
      Air - Carbon dioxide, accelerated | 
       | 
      1484 | 
      t | 
      11.5 | 
      11.5 |