···
Log in / Register

What are the Precautions for Transferring Ownership of a Used CNG Vehicle's Gas Refueling Certificate?

4 Answers
HarperMarie
09/04/25 7:12am

The precautions for transferring ownership of a used CNG vehicle's gas refueling certificate involve transferring both the gas cylinder and the vehicle together. Below are the detailed steps and considerations: Main steps are as follows: Drive the vehicle to the local Special Inspection Department for gas cylinder transfer, which is usually located within the Administration for Industry and Commerce. Note that the vehicle must meet the original technical parameters; otherwise, the transfer cannot be recorded. Then, both the buyer and seller should go to the Vehicle Management Office together. After filling out the contract, they can proceed to the counter to complete the transfer acceptance procedures. The traffic police will guide you to drive the vehicle to the inspection area, where they will conduct a technical inspection, take photos, and perform engine tracing. Finally, the traffic police will provide the photos to the applicant, who needs to paste them on the record form and then drive the vehicle to the designated parking area as instructed. Both parties should return to the transfer hall and submit the required documents to the staff. After the transfer, bring the files back to the Vehicle Management Office where the vehicle is registered and schedule an appointment for the license plate registration. Precautions for gas refueling certificate transfer: If the vehicle has been modified from gasoline to CNG and registered with the Vehicle Management Office, there is no need for a separate gas cylinder transfer procedure. The gas cylinder will be transferred along with the vehicle. If the vehicle has not been registered with the Vehicle Management Office, you can choose to transfer the gas cylinder at the Special Inspection Department or remove the gas tank and restore the vehicle to its original condition, which also allows you to complete the transfer procedures at the Vehicle Management Office.

Was this review help?
5
3
Share
GabriellaLynn
09/16/25 8:01am

I specifically asked about this before buying a used car. The transfer of CNG vehicles isn't that complicated, but you need to be a bit careful. The main thing is to make sure all the documents related to the gas refueling book are complete, such as the vehicle's compressed natural gas device inspection certificate and pressure vessel certificate—these are all recorded at the DMV. Both the buyer and seller need to go together to complete the transfer with their IDs and the vehicle registration certificate, and they must present the original and a copy of the gas refueling book to confirm that the tank inspections haven’t expired. Otherwise, the transfer could get stuck, which would be a hassle. Additionally, it’s advisable to have a professional CNG repair shop conduct a safety check first to inspect the sealing of the connectors—older parts can easily become hazards and affect driving safety. To save trouble, you can hire an agent to handle the paperwork for you; it might cost a few hundred extra but saves time and stress. Remember, don’t go for a cheap deal on a problematic car, or you might end up unable to refuel at gas stations after the transfer—that would be a real headache.

Was this review help?
13
3
Share
Expand All
LukasAnn
10/30/25 8:36am

When I helped someone repair a CNG vehicle before, I found that the gas refill book was a focal point during the ownership transfer, and the cylinder certification must be on hand. Under normal circumstances, the simple steps are: when submitting the vehicle registration documents to the DMV, bring the original gas refill book to verify the inspection period—usually, the inspection report is valid within three years. Inspection points include checking for valve leaks, cylinder damage, and other details. It's advisable to use soapy water to check the sealing ports for bubbles before the transfer to ensure no hidden dangers. If the book is lost, immediately go to the original inspection agency to reissue it—don’t delay, as it could affect the transaction. The cost is low, just a few dozen yuan for processing fees, but safety comes first, so inspection is mandatory. Common issues like loose or aging cylinders can easily cause the transfer to fail—I’ve seen buyers overlook this and waste a trip. A reminder: when refilling gas, always keep in mind the pressure limits and maintain cleanliness.

Was this review help?
1
5
Share
Expand All
DiAxel
12/13/25 8:44am

Last time I bought a used CNG car, the transfer process was quite a hassle. The key with the gas refill book is to check if the cylinder inspection label is valid—just make sure the date stamped on the cylinder isn't confusing. Both buyer and seller need to bring their IDs, queue at the registration office, fill out forms, and submit a copy of the book to get it done. The whole process can be finished in half a day, but be sure to go to an official station and don’t trust verbal agreements. I recommend test-driving before the transfer to check if the refueling function works smoothly and the valves operate properly—anything that affects daily use. To save money, a DIY check for rust on the cylinder connectors is enough, quick and easy. If the cylinder is old, spending a little to replace it can save future headaches. The gas refill book might seem minor, but don’t cut corners to avoid fines or being denied refills. I once had a cylinder leak after the transfer, and it cost me big—lesson learned.

Was this review help?
1
2
Share
Expand All
More Forum Discussions

What Causes Slow Cooling of Car Air Conditioning After Prolonged Sun Exposure?

Car air conditioning cools slowly after prolonged sun exposure due to the compressor protection device tripping. Causes and solutions for excessively high pressure and overheating: 1. Excessive refrigerant: Appropriately reduce the refrigerant amount. 2. Poor heat dissipation: Check for dirt on condenser pipes and clean the condenser. 3. Blocked pipeline system: Refer to pressure gauge readings for diagnosis and resolution, then reprocess the system. 4. Dust accumulation on evaporator or filter: Reduced airflow causes system pressure and temperature imbalance; clean the evaporator or filter. 5. Possible refrigerant deficiency: When refrigerant is insufficient, compressor exhaust temperature becomes excessively hot, causing the overload protection switch to trip.
6
3
Share

What is the cross-sectional area of car battery cables?

For small passenger vehicles, the national standard recommends pure copper cables with a cross-sectional area of 16 square millimeters. However, for large engineering vehicles, the recommended national standard is 25 square millimeters of pure copper. If the cable size falls below the recommended value, it may be difficult to jump-start the engine. With constant power and voltage, thicker cables have lower resistance, ultimately delivering greater current to the starter motor. Additional information: Precautions for using car batteries: Ensure the auxiliary battery is 12V and the negative terminal is properly grounded. Of course, all unnecessary lights and accessories should be turned off to prevent electrical accidents. Never reverse the polarity of the cables, as this may cause sparks during connection. Additionally, make sure the cables are tightly secured to both battery terminals (for full contact) to avoid sparking during the jump-start process.
19
0
Share

What are the types of car accidents?

Car accidents are classified according to their consequences as follows: 1. Minor accidents: These refer to accidents that cause minor injuries to 1 or 2 people, or involve relatively small property damage. 2. General accidents: These refer to accidents that cause serious injuries to 1 or 2 people, or minor injuries to 3 or more people, or involve average property damage. 3. Major accidents: These refer to accidents that result in the death of 1 or 2 people, or serious injuries to 3 to 10 people, or involve significant property damage. 4. Catastrophic accidents: These refer to accidents that result in the death of 3 or more people, or serious injuries to 11 or more people, or the death of 1 person along with serious injuries to 8 or more people, or the death of 2 people along with serious injuries to 5 or more people, or involve extremely large property damage.
17
2
Share

What are the three filters in the three-filter maintenance?

The three-filter maintenance refers to the maintenance of the engine oil filter, air filter, and fuel filter in a car. 1. Air filter: The function of the air filter is to filter the air before it enters the cylinder, removing impurities, dust, sand, and other foreign particles. 2. Fuel filter: The fuel filter's core is mostly made of filter paper, but some use nylon cloth or polymer materials. Its purpose is to filter out solid impurities such as iron oxide and dust, as well as water from the gasoline. This not only reduces the chance of the fuel injector being clogged by impurities but also ensures the quality of the gasoline flowing into the fuel system. 3. Engine oil filter: Its function is to remove various impurities from the engine oil to ensure the normal operation of the lubrication system.
14
5
Share

What is the actual range of a Tesla in kilometers?

Tesla Model-S and Model-X Long Range versions achieved ranges of 660KM and 575KM respectively in the national standard driving cycle test. During actual road driving, the vehicle's range will continuously adjust based on usage conditions. The actual mileage is also influenced by other factors such as vehicle configuration, battery usage duration and condition, driving habits and operations, environmental and climate conditions, etc. Charging efficiency: With faster charging speeds and a new efficient powertrain design, Model-S and Model-X can now achieve up to 200kW charging power at third-generation Superchargers and up to 145kW at second-generation Superchargers. These updates can improve customer charging efficiency by 50%.
16
3
Share

What is the speed limit for large buses on highways?

Highways generally have a speed limit of 120 km/h, so the speed of large buses is usually between 100-110 km/h. Lane speed limits: Highways should indicate the speed limits for each lane, with the maximum speed not exceeding 120 km/h and the minimum speed not lower than 60 km/h. Vehicle speed limits: On highways, the maximum speed for small passenger vehicles should not exceed 120 km/h, while other motor vehicles should not exceed 100 km/h, and motorcycles should not exceed 80 km/h. If the speed limit indicated by road signs differs from the above lane speed regulations, drivers should follow the speed limit indicated by the road signs.
16
4
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.