Author Topic: CNG  (Read 5324 times)

Offline klumpkeTT

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Re: CNG. Save, Safe, Clean.
« Reply #45 on: July 03, 2008, 10:54:25 AM »
Dont look too safe afterall... :\
I beg to differ. Even if your car no CNG, arsonist will also easily TORCH your car till like that...

Offline celitat

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Re: CNG. Save, Safe, Clean.
« Reply #46 on: July 03, 2008, 02:46:50 PM »
just to ensure everyone...all cng cylinders, be it whatever materials and size, have to undergo a set of stringent test before approval for sale. test includes:
- burst pressure test
- drop from a certain height test (3m i think)
- bon fire test
- ram test
cylinders all fully filled to the operating pressure before being subjected to the above tests. there maybe more tests that i may have left out.

the only draw back is that these test are only carried out by batches, ie, 1 cylinder for each test for a batch of, maybe 100 cylinders. so manufacturing and material consistancy is a question here. and each cylinder has it's own serial and batch number.

unlike in the oil and gas industry, every single cylinder are individually tested. much safer to work with these cylinders.
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Offline zuoom

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via MCF : CNG Wars - the forum whores
« Reply #47 on: July 12, 2008, 03:29:03 AM »
Quote
CNG Wars: The Forum Whores - NEW          Reply   "With Quote"
Long, long, time ago, in an island that nobody gives a damn a new fuel to power automobiles appeared. It was CNG.

First Genie47 and some other converted their PARF cars to use this highly cost effective and environmentally clean fuel. No rebates. No tax cuts. Nothing. Nothing but the desire to travel unperturbed by escalating petrol prices and improving the quality of air on the island where nobody gives a damn.

Then the Porsche came and installed. It was revealed that there were OMV rebates given. 40%! This gave others a desire to own a truly cheap automobile with cheap fuel. The parallel importers saw this golden opportunity and gave what the hungry people demanded.

The number of vehicles surged. Scantruck and Melchers were converting about 100 vehicles a month. There are many CNG converted vehicles. SMART put up an operational battle station at Mandai. The fleets of cars, taxis and even buses came. SembGas put up a puny outpost at the outskirts of an island from the island where nobody gives a damn.

Then came the high petrol prices thanks to the black substance that makes the island that nobody gives a damn polluted. Unfortunately CNG prices are tied to HSFO.Prices went up.

So the SMART people at SMART raised their prices, and up, and up......

This prompted a bozo to write to Today questioning the escalating prices of CNG and WHY THE DIFFERENCE BETWEEN JLN BUROH AND MANDAI.

Firstly, this person is very stupid. Typical of a Singaporean who only know how to complain.Nobody forced you to go to Mandai. You can go to Jln Buroh. It is very obvious the difference between Jln Buroh and Mandai is that SMART is a retailer. Jln Buroh is operated by SembGas who are wholesalers. When it comes to prices, who wins? Wholesalers. SMART just cannot tahan the price increases. This complaint about the "shock" shows how gullible Singaporeans are. A single ST Forum letter can force SMART to lower their prices to SembGas stock selling price? How stupid can that be? Thanks to this person and also from my sources. SembGas will be forced to increase price for their CNG. Their CNG meaning Jln Buroh and Jurong Island. Apparently from my sources, somebody in SembGas got "greased" by his superiors for keeping prices the way they are now which is lower than Mandai. Whoever you are who wrote to Today and complained. Thank you.

Then my next gripe is on a Mr Lauren Heng. JB CNG, only SGD6 and can go 200km. This I know. Every CNG user knows but the taxi drivers can't use JB CNG so we can leave them out of this. I will start with familiar bullsh1t bird story.

A little bird was flying south for the winter. It was so cold the bird froze and fell to the ground in a large field.
While it was lying there, a cow came by and dropped some dung on it. As the frozen bird lay there in the pile of cow dung, it began to realize how warm it was.
The dung was actually thawing him out! He lay there all warm and happy, and soon began to sing for joy.
A passing cat heard the bird singing and came to investigate. Following the sound, the cat discovered the bird under the pile of cow dung, and promptly dug him out and ate him.

Its the same situation here. Don't start to sing when you are enjoying something. Just shut up.
Let your actions do the talking. Need to go into JB, don't need to annouce to the world. FYI, I was asked for an interview last year when I converted. I refused. Two things will make the interview politically incorrect. Firstly, I'm exclusively using JB CNG and petrol. I'm effectively robbing the Malaysians. You don't go on the newspapers and annouce to the world you blatantly cross the border to rob Malaysians of their fuel. BTW, their customs are going to reintroduce the white card again on 16 Jul 08. This same parable above can be applied if you are feeling the heat. If you feel the pinch, complaining will not get anything done for you. Let real economics work. Go to buy from somewhere else cheaper. You should only complain when prices are high and the same everywhere. Like petrol.

I've just got my gas from Jln Buroh. I was standing beside the compressor and I can hear it working.It goes like this "TOLONGTOLONGTOLONGTOLONGTOLONGTOLONG"

Next is my opinions on whoever it is who thinks the green diamond CNG sticker on the bumper is ugly. We've seen the ST Forum, My Paper Forum and Today Forum CNG attention whores. Those are whores. The person who complained about the CNG bumper sticker is a vain ugly attention whore. Nothing is said about the windshield decals. Nobody said a thing. Nobody complained a thing. Nobody died from a freak CNG accident....yet. Instead of questioning the safety involved from ill-displayed stickers, you talked about how ugly it is. I mean I have read that forum entry and also the posts from idiots about how ugly it is on MCF and SGCNG. I mean are these people for real! Oops forgot, I didn't see the warning sign on their heads about the congenital brain disease called stupidity they have. Today's papers contained a joint statement by SCDF and LTA on this matter. Now everyone has to put it on their bumpers. Its for safety. Not because they want you to look bad.

Then the stupid Stomper. BTW, I have a very poor impression of Stompers. I think they aspire to be some media whore like XX but fail it doing so that is why they ended up posting utter rubbish that is of even lower quality than the trash by the said blogger in Stomp. 31 Dec 2009. Special Tax. The epitome of kiasu and kiasee. Stupidity is a hallmark of any government only that this is a highly paid stupid government and civil service. Just use the fuel and go on with your life if you have converted. The stock market is doing very badly now. What are you going to do about it? Whatever is not in your control, you do nothing. As simple as that.

It also amazes me the stupidity extends to seemingly normal questions. "Go up Genting can use CNG or not?" I mean, what kind of moron asks that? The car is bifuel. Bi as in bisexual. Can do homo gay sex (or lesbian) and straight sex. Same with the bifuel car. You got the choice. See what I mean? A Singaporean is incapable of decisions because he has never been given choices in his growing up years.

Now for the price of CNG. What is a fair price? I don't know but what I know is that this is controlling the bifuel car growth but I think this control is way out of hand. It is not even 1% of the total vehicle population of Singapore. I just came back from the SGCNG meetup at Mandai. I swear I came but I didn't pump. The bisexual....ooops bifuel car queue went all the way into Mandai Rd itself. It was a horrible mass orgy.

So even though it is not 1% of the total vehicle population, we only have two publicly accessible stations. The scene is exactly what I encounter in JB in 2007. There are just not enough filling stations. BTW, things are different in JB now. There are more stations and you don't see queues snaking even into busy highways.
So this high CNG price might be good. It is deterring bifuel car growth. I've been hearing stories where people canceled their bifuel Airwaves from long waits till delivery. Some adopt a wait see attitude. Some are laughing at the converted. Some shake their heads and go for petrol. I mean all this is fine. It is economics at play. I'm all for economics doing its most evil to balance out the market. Like the song from Mad Max Beyond Thunderdome. "We don't need another hero. We just need another life beyond Thunderdome." Why? A good study on two countries, two experiences on CNG. Firstly Argentina.

In Argentina, the government didn't give tax cuts or anything for those converting to bifuel. The only plus is the cheaper fuel. People slowly converted. As a result, Argentina has one of the most extensive CNG networks with a large fleet of CNG cars.

Next New Zealand.

The New Zealand government pushed heavily for CNG conversion. Everything was thrown in. Tax cuts, rebates and all that. Bifuel car growth exploded but a network was not in place. There are long queues, CNG prices did go up for a while. However the damage was done. CNG became a second rate fuel because people went back to using petrol.

So don't write to any SPH or Mediacorp paper. You can post on the online forums for all you like. We don't want any government interference.

Anything that is touched by a government bureaucrat will eventually be ruined. Our football is a fine example. Our family and sex lives are ruined too. Think of the two is enough policy. I think next will be our science.
Do not let the government do anything for you. They have proven themselves highly stupidly paid.

It is fine to let things be. Do what you can like go to JB. But if you feel the urge to sing. Just write a song and hopeful get Tanya Chua to sing it. You might get the Cultural Medallion.

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If the pleasures of love be as ten, then three times three belongs to woman. The rest belongs to man. - Tiresias

via : http://www.mycarforum.com/forum/Others_C20/Lite_%26_EZ_F15/CNG_Wars%3A_The_Forum_Whores_P2451300

Offline CreatorHK

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Re: CNG cars can mod?
« Reply #48 on: July 12, 2008, 04:20:13 AM »
Simple, sabo king and queen.

p3pp3r

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Re: CNG cars can mod?
« Reply #49 on: July 12, 2008, 07:27:45 AM »
wow lau...
CNG so much trouble...
hopefully science can go further to produce an water operated engine... ;D

Offline zuoom

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CNG-car drivers may have to pay additional tax from 2010
« Reply #50 on: July 24, 2008, 01:32:10 AM »
Quote from: bigsale;5600346

(http://www.channelnewsasia.com/imagegallery/store/phpGEPYah.jpg)

SINGAPORE : A lack of refuelling stations is not the only concern worrying drivers who are considering switching to Compressed Natural Gas (CNG). Drivers of CNG vehicles may have to pay an additional tax from 2010.

Sales Manager Isaac Tan drives 35,000 kilometres a year - much of it for his job.

Earlier this year, he bought a new car and planned to convert it for CNG use, to save fuel costs and the environment.

But he changed his mind at the last minute, because of costs - even though buyers of hybrid and CNG vehicles benefit from the Green Vehicle Rebate. This gives the buyer a 40 per cent discount on the car's Open Market Value until 31 December 2009.

Mr Tan said, "I was surfing... the LTA website, ONE.MOTORING, and I realised there is this Special Tax involved on CNG. Right now, the government has waived it until 31 December 2009, but beyond that it's unclear."

Recovering fuel duty and discouraging the use of polluting vehicles are reasons for the Special Tax.

Currently drivers of petrol vehicles pay duty of 41 cents per litre of intermediate grade petrol every time they top up their tanks.

So the owner of a 1,500cc petrol car who drives the average 21,000 kilometres a year spends about S$3,550 on petrol, of which about S$660 is petrol duty.

But duty is not charged on diesel or CNG at the filling station.

And diesel engines create more pollution. For example, the latest EURO IV diesel engines create five times more of the pollutant called PM2.5 than a petrol-driven car.

Special tax for EURO IV diesel vehicles is pegged at S$1.25 per engine cc. So the owner of a 1,600cc diesel vehicle pays S$2,000 a year in Special Tax.

The owner of a 1,600cc diesel vehicle who drives the average 21,000 kilometres a year would spend about S$1,900 a year on diesel.

But CNG vehicles produce cleaner emissions than petrol vehicles, so are exempt from Special Tax until 31 December 2009.

The Land Transport Authority (LTA) has not yet decided whether to extend the exemption. But it said if Special Tax is imposed on CNG cars, it will not necessarily be the same as that on Diesel IV vehicles.

Mr Tan said: "The way the government is setting the policies - or not setting the policies, rather - is not helping the public. And in fact, if they really want to encourage the public to go to greener vehicles, then they should set the policies right in the first place."

LTA said it will announce its decision on the Special Tax for CNG cars in due course. So for now, drivers considering a CNG vehicle will have to live with the uncertainty of higher taxes in future or wait until a decision is made. - CNA/ms

Source: http://www.channelnewsasia.com/stories/singaporelocalnews/view/362309/1/.html

via : http://forums.vr-zone.com/showthread.php?t=305119

Offline zuoom

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*Gross Picture : NGV explosion Aftermath
« Reply #51 on: July 28, 2008, 12:50:50 AM »











via : http://syafiza.wordpress.com/2007/02/05/when-ngv-gas-exploded/
Quote
The NGV explosion happened in Brazil, Rio De Janeiro, at a local NGV Station. The report was as followed (as we received the report as Safety Inspectors):

The explosion was caused by an additional Air Compressor Tank Cylinder (Tank 2) attached to the car. Initially, the air compressor tank (rated at 3,000psi) withstood the pressure from the Dispenser (at 3,500psi). The duration of the brutal punishment on the air compressor is unknown.

At one point, the welding lines of the air compressor tank started to crack or give way. Thus, the compressor tank blown open at all the crack point, and tank opened up at its welding line. You can notice the clean and straight opening line of the metal.

The 3,000psi escaped at high speed, blowing away the boot cover and everything blocking its way. The driver was killed by flying debris (or his vehicle metal) as well as the Positive Shockwave (or Blastwave).

No fire was reported, and escaping gas went upwards. In short, the driver was using a welded tank, instead of high pressure SEAMLESS (no welding) tank.

To view how SEAMLES NGV Cylinder sare made, please go to website below
http://www.ngv.com.my/videos/cidegas.wmv



Offline zuoom

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Re: CNG. Save, Safe, Clean. - Man unhurt in NGV tank blast
« Reply #52 on: August 12, 2008, 07:20:02 AM »
Quote
Tuesday August 12, 2008

KUALA LUMPUR: A man cheated death when an NGV gas cylinder in the booth of his car exploded at a petrol station in Taman Billion, Cheras, here.

The explosion occurred at 10.45pm on Sunday, when the owner of the car identified as Yong was filling up the cylinder.

''I was filling up the cylinder when I felt the car shaking badly. I immediately pulled out the hose,” the 45-year-old said, adding that seconds later, the car exploded.

It is learnt that he also had a cooking gas cylinder in the trunk.

http://thestar.com.my/news/story.asp?file=/2008/8/12/nation/22062849&sec=nation

read it via : http://www.mycarforum.com/forum/MY_News%3A_CNG_tank_in_Merc_exploded_at_Petrol_Kiosk_P2489086/#2489086

Offline klumpkeTT

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Re: CNG. Save, Safe, Clean.
« Reply #53 on: August 18, 2008, 05:42:21 AM »
on second thoughts - maybe CNG is not that safe... after all!!

Offline zuoom

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Re: CNG. Save, Safe, Clean.
« Reply #54 on: August 18, 2008, 10:10:44 AM »
CNG is pretty safe.

as in the tanks are solid solid. short of shooting an RPG at the bugger.. it will hold.

the weak link is in the connectors, valves etc. plus installation etc.

do it improperly and sh!t happens.

=================

basically, this article is about poor installation.
http://www.sinchew.com.my/node/77731?tid=1
Quote
專家:疑熱度氣壓致爆炸‧天然氣桶或安裝不當 

    * 國內

 2008-08-11 19:28

    *

      車箱被炸毀,不過天然氣桶卻完好。(圖:星洲日報)
    *

      這是爆炸後的煤氣桶。(圖:星洲日報)
    *

      油站屋頂也被碎片插破,可見爆炸威力有多強勁。(圖:星洲日報)

(雪蘭莪‧八打靈再也)經初步鑒定,天然氣專家一致認為,疑是天然氣桶的壓縮氣流與熱度因素,導致車廂煤氣桶爆炸,也可能是天然氣桶的安裝過程出現問題。

1名男子在10日晚上,駕駛使用天然氣的轎車到蕉賴國油油站添加天然氣時,疑放在天然氣桶旁的2個煤氣桶受到壓縮而爆炸,炸毀汽車後部及油站裝置,慶幸的是沒有人在爆炸案中受傷。
國油在事發後派專員前往調查,並證實天然氣系統安全,爆炸肇因極可能是煤氣桶無法承受在添加天然氣時,所散發的熱度及氣壓。

Offline zuoom

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Re: CNG. Save, Safe, Clean.
« Reply #55 on: August 18, 2008, 10:11:23 AM »
and the usage of poor sources..

http://www.greencarcongress.com/2008/08/bangkok-cng-bus.html
Quote
Bangkok CNG Bus Explodes
9 August 2008

Bangkok Post. A Bangkok city bus converted to run on compressed natural gas exploded as the driver was filling its fuel tank. The explosion damaged five vehicles and injured a worker at the station.

    Police said that the records for the vehicle indicated that the fuel tank did not meet minimum standards for the conversion. The gas cylinder installed on the bus was part of a shipment imported from China as used products, and may have been too old for use, police said. It burst under the pressure, they said.

    Police also said the bus records indicated that the operator of the bus had not received permission from Bangkok or Land Transport Department officials to convert the vehicle from diesel to gas. The rapid rise in the price of fuel has impelled many drivers and commercial operators to rush to convert petrol and diesel vehicles to various types of gas. This has cause some chaos, as unqualified mechanics and garages have cashed in on demand by providing unstable and sometimes dangerous conversions.

Offline celitat

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Re: CNG. Save, Safe, Clean.
« Reply #56 on: August 19, 2008, 06:49:23 AM »
on second thoughts - maybe CNG is not that safe... after all!!

oei, dun like tt leh...look at it this way, a handgun is considered safe or not? well, i will say, it depends on the user lar. in the wrong hands, it is very dangerous. vice versa. these people under estimated the power of 200bars.
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Offline zuoom

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Re: [NGV] Alternative Fuel aka CNG
« Reply #57 on: October 02, 2008, 12:34:35 AM »
Quote from: genie47;32712328
This is a fallacy.

Check www.spritmonitor.de and search for CNG cars using CNG H. You will see numerous 1.2L Fiat Pandas using CNG.

A lowly 1.2L engined car can use CNG if you got space for the cylinder. The Panda Natural Power's secret is that it is designed as a bifuel car from the very beginning. I hope they bring it here.

This is the 1.2L powerplant.
(http://www.cng.cz/miranda2/export/sites/www.cng.cz/cs/zemni_plyn/vozidla_na_zemni_plyn/auta_nova/panda.jpg)

This is the new 1.4L powerplant.
(http://www.italiancar.net/site/news/06/0906/fiatParis/Fiat_Panda_100HP_2b.jpg)

via : http://forums.hardwarezone.com.sg/showthread.php?t=1875585&page=2

Offline zuoom

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Interest in CNG cars dissipating
« Reply #58 on: October 21, 2008, 03:48:13 AM »
Interest in CNG cars dissipating

By Christopher Tan

AFTER a brief lift-off, the interest in compressed natural gas (CNG) cars seems to be dissipating.

Registration of new CNG cars fell considerably in the third quarter, going by estimates based on data released by the Land Transport Authority (LTA).

The high of 419 cars in July dipped to 320 in August and 283 last month. Sales had been climbing steadily from January, propelled by a 40-percentage-point cut in additional registration fee (ARF).

Lofty petrol prices also helped.

But petrol prices have since fallen far more than CNG prices. Along with questions of dependability and an impending tax, the gloss on these cars is fading.

Petrol rates have fallen 17 per cent from the year's highs, and CNG prices, by just 5 per cent, narrowing considerably the gap between the cost of the two fuels. CNG now goes at $1.64 per kg and 92-octane petrol, at $1.863 a litre.

The difference is 22 cents, down from as much as 80 cents nine months ago. But since a kilogram of gas is equivalent to about 1.3 litres of petrol, users still save on running costs.

Senior executive Stephen Neo, 44, who drives a gas-propelled Toyota Isis, said he saves 'about $200 a month even at today's petrol prices'.

His only gripe: the long queues at the two CNG stations here. The wait at the Mandai one is 10 to 15 minutes, and he has waited an hour at Jalan Buroh.

CNG retailer Smart Energy expects gas prices to fall further in the coming months. Its managing director Johnny Harjantho reckons this will happen when Jurong Island's liquefied natural gas terminal starts up in 2012 and brings in gas from the world over.

Singapore's supply of gas is now piped from Indonesia and Malaysia. Mr Harjantho also disclosed that piling has started for a new gas refuelling station in Serangoon North, which could open in January.

Another refuelling station is also expected to come up in Old Toh Tuck Road. Union Energy, a supplier of bottled cooking gas that operates taxi service Trans-Cab, has just secured a plot of land to build the sizeable station, expected to open in April.

New stations mean shorter queues, but other concerns - a possible reliability issue and a special tax exemption to expire at the end of next year - are putting the brakes on CNG car sales.

Semi-retired Mr W.M. Yap, 60, revealed that his CNG Chevrolet Optra has stalled thrice, but said he has 'accepted it'.

But he finds it hard to accept the looming additional tax on CNG cars, which he said would make them 'no longer commercially viable'.

Asked about the 40-point reduction in ARF that CNG car buyers enjoy, he said: 'I'm not sure if the lower ARF is a saving. Don't forget that you get back less when you scrap the car.'

Mr Neo Nam Heng, the managing director of Prime Taxis, said the uncertainty over the special tax has dampened the popularity of CNG taxis. The number of new CNG cabs has fallen month on month since July, say LTA figures.

Meanwhile, diesel passenger cars have appeared on the scene. There are now 10 such cars on the road, mainly Volkswagens, following a reduction on the special tax on them from July

via : http://www.mycarforum.com/forum/CNG_Cars_Interest_dissipating_P2571698/#2571698

Offline zuoom

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Modified NGV unit explodes, trader dies
« Reply #59 on: November 10, 2008, 02:52:23 AM »

http://www.nst.com.my/Current_News/NST/Sunday/National/2397071/Article/index_html

By Jason Gerald John and Heidi Foo

2008/11/09

MALACCA: A trader who turned a cooking gas cylinder into a natural gas vehicle (NGV) storage unit to power his van died hours after the tank exploded at a petrol station here on Friday. Mohd Hilmi Ishak, 25,died at the station in Jalan Datuk Seri Md Zin Abd Ghani, Batu Berendam.

His brother, Mohd Rosli, 30, and a friend identified as Razali Md Zin, 31, who were in the van, which burst into flames, sustained serious injuries and have been warded at the Malacca Hospital.

The explosion is believed to have been caused by a spark from the engine, which was running at that time.

Jalan Kubu Fire and Rescue Services Department operations chief Mokhtar Osman said Hilmi was in the driver's seat when the tan k exploded.

"We believe that the self-modified cooking gas cylinder was placed under the driver's seat and covered with canvas."

Mokhtar said investigations revealed that Hilmi had attached the hose to the modified tank and was filling it when the tank exploded.

He said the department received a call about 8.10pm and a team was dispatched to the area.

They took 20 minutes to put out the fire.

In Rembau, The Road Transport Department said it will post the list of 72 authorised NGV installer workshops on its website and publish it in the newspapers by next week.

Currently, there are 58 workshops authorised by the RTD to convert vehicles to run on natural gas.

"Sometimes, people are taken in by the cheap NGV conversions offered by irresponsible workshops," said RTD director-general Datuk Solah Mat Hassan said after presenting a group of senior citizens with their motorcycle licences in a ceremony at Sekolah Kebangsaan Undang Rembau.

"Some people also ignore the basic safety rules at petrol stations, like switching off the engine or handphones."

He was referring the accident which claimed Hilmi's life.

Solah said two similar incidents in Cheras in Kuala Lumpur and Kepong have been reported.

He advised motorists to patronise RTD accredited workshops and have the vehicle inspected by Puspakom to ensure all safety guidelines have been followed.

via : http://www.mycarforum.com/forum/Aftermarket_C5/Performance_F6/How_NOT_to_do_a_DIY_CNG_installation_P2590605/