Cambodia - Implementing improved vehicle emission standards

This project aims to support the implementation of Euro 4/IV vehicle emission standards and equivalent fuel quality. This goal will be achieved by developing technical guidelines and additional related policies to ensure that the standards are implemented effectively.

Work carried out under this project supports the emissions targets set in Cambodia's Nationally Determined Contribution (NDC) and Cambodia's Clean Air Plan. Additionally, this project complements other ongoing transport-related projects, particularly the GIZ project on Sustainable Mobility in Metropolitan Regions in ASEAN and the ongoing ICCT-UNEP ASEAN Soot-Free Initiative.

Project reference: Cambodia: Implementing improved vehicle emission standards [KH-21-001]

Objectives
  • Effective implementation and enforcement of vehicle and fuel standards.
  • Roadmap for Euro 6/VI and updated sub-decree on air pollution control and noise management.
  • Cambodian government entities have improved capacity on vehicle emission standards, enforcement, inspection, and fuel quality monitoring.

 

Why We're Doing This Work

Cambodia has mandated the Euro 4/IV vehicle emission standards for all new and imported second-hand vehicles by 2022 and Euro 5/V by 2027. Fuel quality is also mandated to be equivalent to Euro 4/IV vehicle emission standards, or 50ppm sulfur in both diesel and gasoline by 2021, and 10ppm by 2024. The full implementation of these vehicle emissions standards could result in about 75% reduction of black carbon (BC), PM2.5, and PM10 by 2030 in the transport sector, according to analysis using LEAP as part of the Cambodia Clean Air Plan while developing a roadmap to adopt EURO 6/VI.

In general, the largest sources of air pollutants and short-lived climate pollutants in Cambodia are transport, electricity generation, industrial process and residential sectors. The residential sector is the largest source of PM2.5 and black carbon, followed by charcoal production and transport. While the transport sector contributes high emissions of nitrogen oxides (NOx), carbon monoxide, and carbon dioxide, electricity generation is the second contributor of CO2 following by the industrial process sector. The main source of SO2 is from electricity generation and Industry.

What We're Doing
  • Drafting and supporting endorsement of the Joint Ministerial Declaration on vehicle emission standards implementation and vehicle inspection
  • Drafting and supporting endorsement of the Joint Ministerial Declaration on fuel quality monitoring
  • Developing a Roadmap to Euro 6/VI vehicle emission standards and fuel quality
  • Developing technical guidelines for implementation of Euro 4/IV vehicle emission standards
  • Developing of technical guidelines for fuel quality monitoring
  • Conducting training on vehicle emissions standards enforcement and inspection
  • Conducting training on fuel quality monitoring
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