DIESEL POLLUTION REDUCTION PROGRAM, THAILAND

ABSTRACT

Thailand has made remarkable progress over the past decade in combating air pollution. Results of air quality data captured at Pollution Control Department (PCD) monitoring stations reveal that most air pollutants are declining except fine Particulate Matter (PM10), the pollutant with serious health impacts, that still exceeds standards along traffic corridors. Diesel vehicles are contributing significantly to PM10 in urban areas. In order to reduce PM10 concentration and comply with the country’s air quality standards, PCD is implementing four programs in Thailand which are: 1) Effectiveness of engine tune up and maintenance of Bangkok’s public buses run by private operators for emission reduction and energy saving project – The main objectives of the project are to study the benefits from engine tune-up and preventive maintenance programs in the privately-run buses and to compare the results of existing and proposed maintenance bus groups (finish in 2004).; 2) Chiangmai Biodiesel Demonstration project – The main objectives of this project are to demonstrate and promote the use of Biodiesel in transport sector, to examine cost effectiveness including effects on health and ambient air quality as well as to reduce diesel fuel import (finish in 2005).; 3) Developing of Integrated Emission Strategies for Existing Land Transport (DIESEL) project – The main objectives of this project are to develop diesel emission reduction strategies as well as decision making tools (finish in 2006).; and 4) Bangkok Diesel Retrofit Demonstration project – The main objectives of this project are to conduct field testing and to recommend policy options on the use of retrofit strategies in Thailand (finish in 2006).

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