| Date | Description |
|---|---|
| 14 Jan 2010 | Created in AMEE |
| 3 Aug 2010 | Greenhouse Gas Conversion Factors for Company Reporting worksheet and guidelines for 2010 published by DEFRA/DECC |
| 7 Jul 2011 | Greenhouse Gas Conversion Factors for Company Reporting worksheet and guidelines for 2011 published by DEFRA/DECC |