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Emission factors by Scope 1, 2 and 3

Data source provider

Intergovernmental Panel on Climate Change (IPCC)

Use cases

Climate-related disclosures, Exposure quantification, Financial stability monitoring, Investment and lending decisions, Scenario analysis, Stress testing

Data group

GHG emissions

Metric Type


Methodology/ Standard / Classification/ Taxonomy / Reference

1. GHG Protocol Corporate Accounting and Reporting Standard
2. 2006 Intergovernmental Panel on Climate Change (IPCC) Guidelines for National GHG Inventories / Malaysia Biennial Update Report to UNFCCC
3. Annual Greenhouse Gas index

Unit (e.g. CO2)

Vehicle/ fuel/ Diesel emission factor (Tonnes CO2e)

Dimension (e.g. Sector, Customer)

By Pollutant

Time horizon 




Time series




Observation on data availability/gaps

EFDB is a database on various parameters to be used in calculation of anthropogenic emissions by sources and removals by sinks of greenhouse gases. It covers not only the so-called "emission factors" but also the other relevant parameters. For convenience sake, however, the term "Emission Factor" or its abbreviation "EF" is sometimes used to represent parameters in this database generally. Particularly for transport sector, the data is unavailable.

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