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Save over RM2 per litre on petrol, here’s how.

No, I am not kidding. This is a more serious post than the previous one.

The solution is simple. In four words:

Use compressed natural gas.

So, what is natural gas? And how do you convert your car into an NGV (natural gas vehicle) like some taxies have done in KL? Here are some facts on natural gas I found through the all-knowing Google and Wikipedia:

1. It is an environmentally friendly substitute to petrol, diesel and propane fuel.

2. It is much safer than motor fuel in cases of fuel spill because it is a gas so it evaporates when leaked unlike petrol which has to be chemically removed.

3. It is now being used by public transportation like buses and taxies, passenger cars, pickup trucks, medium sized lorries and school buses in certain countries. It was mandated in India and Pakistan that the public buses and taxies use natural gas. Here, some taxies have installed this system and some individuals have also converted their vehicles.

4. Normal cars need to be fixed with a pressure regulator to convert the gas from storage pressure to metering pressure and multipoint gas injectors to be able to run on natural gas.

5. Natural gas takes up more space because it is compressed gas and not liquid form. The tank to store it will take up space in the vehicle boot.

6. It only costs 63 sen per litre in Malaysia!

7. The government gives about 20% rebate on road tax if you convert your vehicle to NGV.

8. There are not as many natural gas stations as the normal petrol stations. Currently, only certain Petronas stations have natural gas.

9. It costs between RM2,000 to RM8,000 to install the NGV system and convert a passenger vehicle. The cost depends on the size of the vehicle.

10. NGVs have lesser power than petrol run cars but this was barely noticeable as it was only a very slight difference.

Many people are very apprehensive about converting their cars due to the huge initial lump sum. Forking out a few thousands at one go is a bit painful. I did some calculations and feel that if you plan to drive your car for at least five years without changing it, then it is worth it to change it into NGV. Here’s why:

Let’s say you paid RM4,000 to convert your car and you will drive the car for the next five years. This brings the cost of installing the system to RM66.70 per month.

Then lets look at the petrol costs each month:

Based on current RM2.70 rate, for a 40 litre tank, you spend RM108 each time you fill it up. So, assuming you pump petrol once a week, that’s RM432 each month.

Now, if you are using compressed natural gas, at the 64 sen per litre rate, for a 40 litre tank, you spend RM25.60 to fill up the tank. Four times a month = RM102.40. Add that with the cost of installing the system, RM66.70 each month, and you pay RM169.10 in total each month for natural gas.

So, in total you save RM262.90 each month and in five years, you would have saved RM15,774!! That is assuming that the petrol price will remain at RM2.70 for the next five years, which is impossible.

However, one of the really weak points of this system is that you will have to search for the stations that has it and in Penang, there is only one NGV station! But I believe that once more people opt to convert their vehicles, Petronas will see this and decide to open up more NGV stations to get more business.

Otherwise, we are all screwed.

7 comments to Save over RM2 per litre on petrol, here’s how.

  • caravanserai

    The stupid BN government
    It makes the people suffer
    This is the way I think
    The leaders want the people to support them
    Let you people feel the heat
    You know the rule of engagement
    Once you don’t agree with me
    I make you suffer in your pockets

    The BN government doesn’t think through
    The sleeping beauty only knows how to announce
    The corridors where he knows the wealth lies
    The people suffering he turns a deaf trick

    NGV gas stations
    He should order it in plenty
    Years of talking nothing really mushrooming
    You see the leaders don’t get the goodies

    Base on your calculation
    The payback period will take a year
    The subsequent hike on petrol
    The motorists won’t feel the heat

    Do they think about it?
    The leaders can’t profit
    So the project is delayed
    Doing on half measures
    Till today

    Now they BN government has the money
    The leaders should buy all the toll companies
    Better pass a law to nationalize it for the people
    In this way the companies don’t demand……….
    Take back the utilities companies
    Privatization is a failure anyway
    Moreover the companies are owned by MOF Incorporated
    Yet it is again protecting cronies
    Where the problems lie for the people

    The short cut measure
    Change the government
    In a stroke many changes can happen
    The MPs should know what to do
    Conscious tells them this is the truth
    Let them shine for the people

  • Vincent

    BN just bunch of chicken, always talk cock! Whether they win or not, end result still the same! Pay More from us!

  • Too bad, we dun have NGV in Kuching/Sarawak. I will be happy to install one for my car if we can easily pump the gas here. Now, my car is mainly for business. Can’t drive my car for leisure. Cuti-cuti Malaysia is going to fail.

    Choonies last blog post..My MIL Caught Me Without Pants

  • engineer

    well, you really have to travel a lot of kms to gt your conversion cost back.

    One thing that is missing in your article is that running NGV shortens the life of your engine.

    NPV lacks the addictives added to petrol. It is a “dry” fuel and this lack of “lubrication” will shorten the life of the engine by nearly half. Some mechanics claim even worst. The most common failure is the seizure of the big end crankshaft bearings.

    To overcome this problem most conversions retain a dual system. I.e it still retains the petrol system. The car is switched to running petrol at least pnce every few days.

    I completely disagree with the bit regarding the safety features of NPV. The gas is stored under pressure and anything under pressure is extremely dangerous. Have you tried to puncture a can of aerosol?

    Can you imagine if in a car accident you puncture the NPV tank? One tiny spark and Bang!!!….

    Trust me. A tankful of gas stored at over 50 atmospheres meeting a spark is not a pretty sight.

  • Foong

    caravanserai: I totally agree…the shortcut measure is to change the blardy government!

    vincent: haih…the price we pay for having fools in the government

    Choonie: same here lah. only one NGV station on the mainland….still cuti cuti malaysia is still better than going overseas because of the exchange rate…sigh…i think we might as well just cuti cuti di rumah…lol

    engineer: haih, I am not mechanic mah. what I found was from google and wikipedia. eh, the foolish ministers should convert their official cars into NGV, doncha think? Then if suddenly got accident…KABLOOM!!! heheheheheh….

  • [...] initiate and comitted to build another 200 NGV gas stations until 2009 including major cities in Penang and [...]

  • Wong

    When u are comparing dual-fuel (petrol vs CNG – Compress Natural Gas)
    There are entire 2 different tank for the particular vehicle
    Tank 1 – from car manufacturer 45~70 depanding on displacement* (No compression required)

    NEW Tank 2 – NEWly install compressed tank at 200 bar which is weight in kg not liter. Maximum is 11kg of fuel.

    Base on this your comment on saving is irrelavent :lol: