FAQ

When there's a gas leak, the motorist should:

1. Close the gas tank valve
2. Switch to oil
3. Go back to the NGV engine installation garage for repair.

Normally, oil is used to start the vehicle and then the engine can be switched to NGV.  Oil should be used again nearer the destination.

1. NGV customers preferring to use the Fleet Card for NGV refueling only may contact the Service and Customer Relations Department at 0 2537 5881.
2. Oil customers wishing to use the Fleet Card for both oil and NGV plus lubricant products may contact the System and Service Station Development Department at 0 2537 2434-5 or 0 2537 2446.

For lost cards, the following documents are required:

1.1 A police daily report (original copy) (stating that an NGV refueling card for vehicle with registration plate number…………is lost)
1.2 A copy of the car registration
1.3 Pay 100-baht fee per new card per vehicle at the cashier during 09:00 – 16:00 hours, Monday – Friday except public holidays.
1.4 Take the receipt to the NGV Refueling Card Office, 1st floor, PTT Head Office, for card reissuance.

Remarks:
*   For corporate cards, a copy of the Commercial Registration is also required.
** If the car owner is not the one to notify the policy, a power of attorney letter is required.

For damaged cards:
The damaged card and a copy of the car registration are to be used for card reissuance free of charge at the NGV Refueling Card Office, 1st floor, PTT Head Office. Customers not residing in Bangkok Metropolis may fax the money transfer slip of 100 baht per new card per vehicle together with the name, address, phone number, and car registration number to 0 2537 3888.

Remarks:
*   For corporate cards, a copy of the Commercial Registration is also required by fax
** Please give a call to confirm fax transmission at 0 2537 3777.

The document required at every inspection site is a copy of your car registration.

Customers may ask for the map at the NGV Refueling Card Office, 1^st floor, PTT Head Office, or search from the PTT website or from the ‘PTT Life Station’ mobile application.

During a thunderstorm, it is still safe for NGV refueling since the station is designed with a reliable safety system.  In addition to the lightning rod, a ground rod is installed near the dispenser.  However, NGV refueling may sometimes be denied when the POS box (housing the computerized sales system) is soaked with rain, halting the system; the station therefore tries to avoid NGV refueling in such situation.  PTT is currently installing a raincover over every POS box, starting from those stations with heavy user traffic.

Due to the heavy user traffic during some certain periods, all gas dispensers are often used concurrently, causing the refueling pressure to drop and resulting in slow refueling.  To solve the problem, some dispensers have had to be temporarily shut down.

PTT has in place an NGV pricing structure, agreed by the National Energy Policy Council at its meetings No. 5/2545 and 7/2550.  For stations situated within 50 km, no transport cost is added to the gas price; for those lying beyond 50 km., the transport cost is added in accordance with the distance.

PTT has earlier sent a note to all NGV stations to inform them about the regulation on standardized fair integer price (change).  If customers come across any station violating such rule, they may raise the matter at PTT Call Center (press 5 for NGV) for inspection and remedy.  Moreover, to minimize mistakes in giving change, the exact amount of change is printed on the receipt currently used.

A tax invoice with the word ‘duplication’ is a ‘goods receipt slip note’, issued in place of the receipt/tax invoice.

If a mistake is found on the receipt/tax invoice, customers must fill out the ‘Request for Revised Receipt/Tax Invoice Form’.  Such request must be made within two months, and the original copy of receipt/tax invoice needing correction must be attached.

If a receipt/tax invoice is damaged or lost, customers must fill out the ‘Request for Issuance of a Replacement/Copy of Receipt/Copy of Tax Invoice Form’.  Such request must be filed within two months along with a receipt/tax invoice (for damage case) and a police daily report (for loss case) attached.

Alternatively, customers may scan the QR Code to verify data of the two previous days from the date of the receipt/tax invoice.  Also, customers may click https://taxngv.pttplc.com and provide information as seen on the receipt/tax invoice.

NGV tanks for vehicles in the Thai market consist of:

NGV tank size	Volume	Suitable for	Number of tanks
60 liters	12 kg	Vans	2 per vehicle
70 liters	14 kg	Personal cars	1 per vehicle
100 liters	20 kg	Taxis	1 per vehicle
145 liters	28-29 kg	6-wheeled trucks and larger	6-8 tanks per vehicle

You may find out names and addresses of NGV dealers, inspectors, and testers (ref. Dept. of Land Transport) from the Link to Services page.

NGV of new specifications (NGV Plus) suits vehicles requiring a calorific value of 44–52 MJ/m³ (Wobbe Index).  It provides good acceleration rates; vehicles filled with NGV Plus can cover greater distances with better energy economics.  Currently, NGV Plus is available at three PTT NGV stations, namely NGV Pannee Power Station, Pathum Thani; NGV Sooksomkiat Transport (2004) Station, Sara Buri; and NGV PTT Nam Phong Station, Khon Kaen.  Sales expansion of NGV Plus is being planned for the entire network.  However, motorists wishing to use NGV Plus must have their vehicle engines properly tuned to ensure NGV Plus compatibility.

Since each gas tank has different years of service, depending on the manufacturers, please check the tank’s expiration date as marked on the tank.  For example, ‘DO NOT USE AFTER 05/2026’ signifies that the tank should not be used beyond May 2026.

Yes. Any motorist wishing to increase their NGV refueling quotas may contact the NGV Card Office, Sukhumvit 62, with the following documents:
**The NGV Card Office is open from Monday to Thursday (09:00 – 16:00 hours) and on Friday (09:00 – 15:00 hours) with a lunch break during 12:00 – 13:00 hours. **
Customers residing outside Bangkok Metropolis may send a scanned version of all documents required with a photo of the vehicle attached.

The discount card can be used at NGV stations outside Bangkok and periphery (Pathum Thani, Nonthaburi, and Samut Prakan, as well as BMTA-defined service areas).  If necessary, such as when dropping passengers off outside defined areas, the card can still be used.  However, if it is found that a discount card is intentionally used outside defined areas repeatedly, PTT reserves the right to revoke the card.

The NGV discount card bears no expiration date.  However, card-use conditions are under the policy of the Energy Policy Administration Committee (EPAC).  If cardholders experience a problem in using the card, they can ask for a replacement at:

** NGV Card Office from Monday to Thursday (09:00 – 16:00 hours) and on Friday (09:00 – 15:00 hours) with a lunch break during 12:00 – 13:00 hours **

Since NGV is a type of gas lighter than the air, compression is needed to obtain a volume sufficient for combustion.  Gas compression is carried out in cubic meter unit (m³), whereas 1 m³ is approximately equivalent to 1 kilogram.  The kilogram unit is therefore used in NGV sale.