Thailand: Light-duty: Emissions

Overview

 * Standard type: Conventional pollutant emission limits
 * Regulating body: Pollution Control Department (PCD)
 * Current standard: Euro 4 (in Thai)
 * Applicability: All vehicles in categories M1, M2, and N1 with a reference mass not exceeding 3500kg.

History
Thailand has subscribed to the Euro system of light-duty vehicle emissions standards since May 1998. Light-duty vehicles in Thailand are currently under Euro 4 emissions standards.

Emission standards for on-road vehicles in Thailand are administered by the Pollution Control Department (PCD) and adopted by the Ministry of Industry (MOI).

The Pollution Control Department was established on June 4, 1992, under the Royal Decree on the Organizational Division of Pollution Control Department, Ministry of Science, Technology and Environment, as result of the Enhancement and Conversation of the National Environment Quality Act of B.E. 2535 (1992).

New Vehicle Regulations
New light duty gasoline vehicle regulations are based on European standards and emission test procedures, as summarized in the following table.

New light-duty diesel vehicle regulations are based on European standards and emission test procedures, as summarized in the following table.

Detailed emissions standards for light duty diesel vehicles from 1995-2001, including specific limit values according to reference mass, can be found on this page.

In-Use Vehicle Regulations
In-use gasoline vehicles in Thailand must meet the following standards.

In-use diesel vehicles in Thailand must meet the following black smoke standards.

Links
Government Regulations


 * Pollution Control Department (PCD) Emission Standards for Mobile Sources (in Thai)


 * Pollution Control Department (PCD) Emission Standards for Mobile Sources (in English but not updated as frequently as the Thai page above)

Notes