Vietnam: Light-duty: Emissions

Overview

As of January 1, 2017, 4-wheeled light-duty vehicles in Vietnam are regulated under the Euro 4 standard. The emissions limits are outlined below.

Standard type
Conventional pollutant emission limits

Regulating Body

Vietnam Registry and the heads of the Agencies of Communications and Transport

Current Standard
Euro 4

Applicability

Newly-assembled and imported 4-wheeled light-duty vehicles with maximum total mass not exceeding 3,500 kg (3-wheeled vehicles of more than 400 kg are not covered under this regulation)

History

 

Technical Standards

Light-duty vehicles in Vietnam are currently regulated under the Euro 4 standard. Implementation of Euro 4 emissions standards for cars is the responsibility of the director of the Vietnam Registry and the heads of the Agencies of Communications and Transport.

Diesel Vehicles

Emission limit values for diesel-powered vehicles

Vehicle Category
Reference mass (Rm), in kg
CO NOx HC + NOx PM
(g/km) (g/km) (g/km) (g/km)
M Vehicles: <= 2,500 kg All 0.5 0.25 0.3 0.025
N1 Vehicles: > 2,500 kg
Group 1 Rm <= 1305 0.5 0.25 0.3 0.025
Group 2 1305 < Rm <= 1760 0.63 0.33 0.39 0.04
Group 3 1760 < Rm 0.74 0.39 0.49 0.06

Gasoline Vehicles

Emission limit values for motorized combustion engine vehicles

Vehicle Category
Reference mass (Rm), in kg CO HC NOx
(g/km) (g/km) (g/km)
M Vehicles: <= 2,500 kg All 1 0.1 0.08
N1 Vehicles: > 2,500 kg
Group 1 Rm <= 1305 1 0.1 0.08
Group 2 1305 < Rm <= 1760 1.81 0.13 0.1
Group 3 1760 < Rm 2.27 0.16 0.11

 

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