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Greenhouse Gas (GHG) conversion factor methodology papers
These methodology papers provide further information on how emission factors within the Greenhouse Gas (GHG) Conversion Factors for Company Reporting have been derived:
The 2009 GHG conversion factors Methodology Paper
Older GHG conversion factor methodology papers
Emissions factors are required to estimate the CO2 impact per km (or pkm) from transport. This paper outlines the methodology used for these transport factors.
Previous version (2008)
- 2008 Guidelines to Defra’s GHG Conversion Factors: Methodology Paper for Transport Emission Factors (PDF 450 KB)
Previous version (2007)
- The 2007 Methodology Paper is available from environmental.reporting@defra.gsi.gov.uk
Page last modified: 2 November 2009