Status of Vehicle Emission Standards in the ASEAN Region

Vietnam's air quality has declined over the past few decades, especially in 
urban areas. There is a noticeable decrease in air quality in certain areas 
due to vehicle emissions. This article aims to assess the automotive 
emission standards of Asian nations and draw comparisons with 
Vietnam's emission laws. However, there are significant differences 
between the present emission ceilings set by different countries. For 
instance, Korea's pollution regulations do not favor any particular fuel, 
and light-duty vehicles (LDVs) are not specifically categorized according 
to weight. Vietnam, Thailand, and Korea have different weight categories 
and emission limits for cars that run on gasoline and diesel. Consequently, 
it is imperative to conduct a more thorough investigation into the creation 
of globally applicable emission standards. This will guarantee uniformity 
in the public's access to information and policies