Emission factors detailed by source and fuel 

Please note the following information when selecting criteria for searching emission factors:

  • you can select more than one source by holding down the Shift or Ctrl keys during selection
  • the road transport emission factors in the emission factor database are in units used to calculate the emissions in the NAEI. A more user friendly road transport emission factor data sheet will be available for the 2010 NAEI soon
  • if some emission factors are missing in this database it is either because the methodology used in the NAEI is not based on the sum of emission factors and activity values or the data are confidential
Year
Pollutants
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Further information about the pollutants related to the NAEI is available in the Pollutant information section.

Sectors
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Other options

Please note that the source and fuel type lists depend on the sector selected

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