The NAEI Website Maintained by AEA Technology Plc


This service is part of the UK National Atmospheric Emissions Inventory maintained by AEA Techmology


This service is part of the UK National Atmospheric Emissions Inventory maintained by AEA Technology

Welcome to the Emission Factors Database

This database contains the emission factors used in the UK Emissions Inventory as well as factors specifically designed for Local inventories.

NAEI AEA TechnologySEARCH THE EMISSION FACTOR DATABASE
NAEI AEA TechnologySEARCH THE FAQ'S FOR INFORMATION

This database is designed to provide data and technical information to local authorities that are undertaking a local emissions inventory.

It is important that you use these pages in conjunction with Defra Technical Guidance: LAQM.TG(09) (PDF).

Emissions data are currently being updated to 2007 and will be available shortly.

Road transport emission factors in grammes/kilometre are available here.

This site provides support to emission inventory compliers in the UK and is funded by Defra.



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This service is part of the UK National Atmospheric Emissions Inventory maintained by AEA on behalf of Defra and the Devolved Administrations.