Viet Nam has proposed new safety and environmental standards for trailers and automobiles, covering design, operation, and emissions through technical regulations.
Viet Nam Sets New Safety and Environmental Rules for Vehicles
Manufacturers and importers must meet new technical standards for trailers and cars.
What changed
Trailers and semi-trailers must undergo inspection, testing, and certification for safety and environmental protection during production, assembly, and importation.
Automobiles must meet new technical standards for braking, steering, lighting, and exhaust emissions.
Who it affects
Domestic manufacturers of trailers and automobiles must comply with new production standards.
Importers must ensure imported trailers and automobiles meet the new technical regulations.
Certification bodies are responsible for inspecting, testing, and certifying vehicle compliance.
Compliance Analysis: Vietnam’s New Safety and Environmental Standards for Automobiles, Trailers, and Semi-Trailers
Vietnam has proposed two new national technical regulations to update safety and environmental protection standards for automobiles and trailers/semi-trailers. These regulations, QCVN XXX:2026/BXD (automobiles) and QCVN XX:2026/BXD (trailers/semi-trailers), replace earlier versions (e.g., QCVN 09:2024/BGTVT) and introduce stricter requirements for design, operation, emissions, and technical safety. Below is a structured breakdown of their scope, key requirements, and compliance obligations.
1. Scope and Applicability
Automobiles (QCVN XXX:2026/BXD)
- Scope: Applies to new automobiles (manufactured, assembled, or imported) for technical safety and environmental protection, including passenger cars, trucks, and specialized vehicles (e.g., mobile homes, fuel cell vehicles)1.
- Exclusions: Not applicable to vehicles already certified under prior regulations unless modified or re-imported1.
- Entities Covered:
- Manufacturers, assemblers, and importers of automobiles.
- Organizations/certification bodies conducting inspections, testing, or compliance certification1.
Trailers and Semi-Trailers (QCVN XX:2026/BXD)
- Scope: Covers new trailers and semi-trailers (including modular, recreational, and container-specific designs) for safety and environmental compliance2.
- Entities Covered:
- Domestic manufacturers/assemblers and importers.
- Certification bodies and testing laboratories2.
2. Key Technical and Safety Requirements
A. Automobiles (QCVN XXX:2026/BXD)
| Requirement | Specification | Citation |
|---|---|---|
| Dimensions and Mass | Definitions for vehicle dimensions (e.g., length, width) and mass (e.g., gross vehicle weight) must comply with TCVN 6528:1999 and TCVN 6529:1999. Passenger seating (non-driver) must meet ergonomic standards1. | 1 |
| Tires | Tires must match vehicle design specifications (size, load index, speed rating) and comply with QCVN 34:2024/BGTVT or UNECE No. 30/54 (or newer versions)1. | 1 |
| Light Alloy Wheels | Wheels on passenger cars/trucks ≤3.5 tons must meet QCVN 78:2024/BGTVT or UNECE No. 1241. | 1 |
| Steering System | Must ensure no unintended drift on flat roads, no vibration, and self-centering after turns. Mechanical components must not interfere with other vehicle parts (e.g., chassis)1. | 1 |
| Safety Glass | Windshields must use laminated safety glass; other windows must use tempered or high-strength safety glass per QCVN 32:2024/BGTVT or UNECE No. 431. | 1 |
| Exhaust System | Exhaust outlets must not face forward or >45° to the right/left of the vehicle’s centerline. Outlets must not pose fire risks or obstruct other systems1. | 1 |
| Lighting and Signals | Headlights, turn signals, brake lights, and reflectors must comply with UNECE No. 48 (or newer). Red lights/reflectors are prohibited at the front; white lights are prohibited at the rear (except reverse lights)1. | 1 |
| Advanced Driver Assistance (ADAS) | Systems (e.g., collision warnings, automated braking) must meet functional safety standards1. | 1 |
| Fuel Systems | Fuel tanks must be leak-proof, positioned ≥300 mm from exhaust outlets and ≥200 mm from electrical components. Fuel lines must resist corrosion1. | 1 |
| Engine Power | Minimum 7.35 kW per ton of gross vehicle weight (GVW), except for specialized vehicles (e.g., electric, hybrid, hydrogen) or vehicles ≥30 tons1. | 1 |
| Acceleration and Speed | Vehicles (except specialized types) must accelerate to 200 m in ≤20 + 0.4G seconds (G = GVW in tons) and reach a minimum top speed of 60 km/h1. | 1 |
| Gradeability | Must climb a 20% grade (12% for articulated buses) without engine/transmission failure1. | 1 |
| Passenger Capacity | For buses: N ≤ (Gtbmax – G0 – L*V)/Gn, where:
- Gtbmax = Max permissible GVW (kg),
- G0 = Curb weight (kg),
- L = Luggage density (100 kg/m³),
- V = Luggage compartment volume (m³),
- Gn = 65 kg/person (including 3 kg luggage)1. |1 |
B. Trailers and Semi-Trailers (QCVN XX:2026/BXD)
| Requirement | Specification | Citation |
|---|---|---|
| Dimensions | Maximum allowable dimensions (e.g., length, width) must comply with TCVN 6528:1999. Modular trailers must account for coupling mechanisms2. | 2 |
| Tires | Same as automobiles: must comply with QCVN 34:2024/BGTVT or UNECE No. 30/542. | 2 |
| Wheel Guards | Mandatory for trailers (except specialized types) to prevent debris from striking the cargo area. Guards must be securely fastened2. | 2 |
| Braking Systems | Must pass parking brake tests (e.g., holding on a 20% grade) and service brake tests (e.g., deceleration efficiency). Test methods are outlined in the regulation2. | 2 |
| Suspension | Must withstand operational loads, ensure stability, and prevent air/oil leaks (for pneumatic/hydraulic systems). Passenger trailers must prioritize ride comfort2. | 2 |
| Container Trailers | Must accommodate ISO container dimensions per QCVN 38:2015/BGTVT. No additional cargo platforms at the front/rear2. | 2 |
| Recreational Trailers | Must include sleeping areas, kitchen, sanitation, and storage (for mobile homes) or collapsible tents (for camping trailers)2. | 2 |
| Self-Steering Axles | Axles must automatically adjust wheel direction to match vehicle movement2. | 2 |
| Loadable Axles | Axles with adjustable load distribution (without lifting wheels) must ensure even weight distribution2. | 2 |
| Lift Axles | Axles with lifting mechanisms must allow manual/automatic adjustment to redistribute load2. | 2 |
| Side Guards | Required for trailers with overhanging cargo to prevent underride accidents. Gaps between guards and other components must be ≤150 mm2. | 2 |
3. Environmental Requirements
Emissions and Noise
- Automobiles:
- Emission standards are implied but not detailed in the provided excerpts. Earlier regulations (e.g., QCVN 09:2024/BGTVT) referenced Euro 5/6 standards; QCVN XXX:2026/BXD likely aligns with updated UNECE or Vietnamese emission tiers1.
- Exhaust outlets must minimize environmental impact (e.g., no forward-facing emissions)1.
- Trailers/Semi-Trailers:
- No direct emissions requirements (as they lack engines), but tire and brake wear may be regulated under broader environmental laws (e.g., Law on Environmental Protection 2020)2.
Waste Management (Recreational Trailers)
- Sanitation Systems: Wastewater and sewage must be stored in leak-proof, vented tanks with anti-spill valves and standardized discharge connectors2.
4. Compliance Process
Certification and Testing
- Pre-Production:
- Production/Import:
- Post-Market:
Penalties for Non-Compliance
- Fines: Violations (e.g., exceeding dimensions, missing safety features) may incur fines under Decree 100/2019/ND-CP (amended by Decree 123/2021/ND-CP) for traffic and vehicle safety infractions.
- Recalls: Defective vehicles may be subject to mandatory recalls per Circular 03/2023/TT-BGTVT.
- Import Bans: Non-compliant vehicles may be denied entry or seized at customs.
5. Key Differences from Prior Regulations
| Aspect | QCVN 09:2024/BGTVT (Old) | QCVN XXX:2026/BXD (New) | Citation |
|---|---|---|---|
| Scope | Automobiles only | Expands to trailers/semi-trailers (separate regulation: QCVN XX:2026/BXD) | 2, 1 |
| ADAS Requirements | Not mentioned | Mandates ADAS for collision avoidance and stability control (e.g., ESC for sleeper buses) | 1 |
| Emissions | Euro 5 standards | Likely Euro 6 or stricter (exact standards not specified in excerpts) | 1 |
| Tire Standards | QCVN 34:2014 | QCVN 34:2024 (updated) or UNECE No. 30/54 | 2, 1 |
| Wheel Guards | Not explicitly required for trailers | Mandatory for trailers (except specialized types) | 2 |
| Container Trailers | Basic dimensional compliance | Explicit bans on cargo platforms at front/rear | 2 |
6. Summary Answer
Vietnam’s QCVN XXX:2026/BXD (automobiles) and QCVN XX:2026/BXD (trailers/semi-trailers) introduce comprehensive safety and environmental standards, replacing QCVN 09:2024/BGTVT. Key requirements include:
- Automobiles: Compliance with tire/wheel standards (QCVN 34/78:2024 or UNECE equivalents), ADAS systems, emission controls, and engine power thresholds (≥7.35 kW/ton GVW)1.
- Trailers/Semi-Trailers: Wheel guards, self-steering/lift axles, side guards, and container-specific dimensions (QCVN 38:2015/BGTVT)2.
- Environmental: Exhaust outlet positioning, waste management for recreational trailers, and likely stricter emissions standards (Euro 6+)2, 1.
- Compliance: Mandatory type approval, CoP checks, and roadworthiness inspections enforced by the Vietnam Register2, 1.
These regulations apply to new vehicles (manufactured, assembled, or imported) and aim to align Vietnam’s standards with UNECE and ASEAN benchmarks. Non-compliance may result in fines, recalls, or import bans2, 1.
Sources
- ↩ WTO TBT notification 26-03350 — Viet Nam https://members.wto.org/crnattachments/2026/TBT/VNM/26_03350_00_e.pdf
- ↩ WTO TBT notification 26-03710 — Viet Nam https://members.wto.org/crnattachments/2026/TBT/VNM/26_03710_00_x.pdf
