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That one was my post for you which i posted earlier; which Siddharth couldn't quote properly. Previously also, I wanted to ask you one question, How come your car is running @ Rs2.75/km, it comes out to be 16kpl and that too in city???? Rs. 2.75/km is equal to a diesel car's running cost...
Its true...a lot depends on your driving style, how well u maintain your car to get an optimum performance out of it. I may not install CNG kit as it will require maintenance at regular intervals because they r not as expert and professional as wat it required to be.(compare with factory fitted kit). I just donot want to waste my time with the mechanic in the workshop, will always prefer company fitted with warranty. Some of my friends have installed kit from outside n they r facing complications related to post fitment.
Practically Speaking how much is the km/ltr difference in mileage for city and highway driving?? Take for example the Wagon-R DUO when used on petrol and on LPG.
Has Anyone ever faced deterioration of engine firing and noise when LPG is used over a period of time. Say for about a year or more.
the running cost of a car on CNG will be half of that of LPG.
in mumbai ............ th running cost of cng has always been closer to two/third ........... not half
I will suggest you to go for CNG because its safer than LPG and moreover you can endorse it in your RC.
Also you can find lot of CNG filling stations in Delhi and they are growing rapidly in metros.
CNG or LPG both cost your engine by 10 to 15 percent i.e. reduce the life of your engine by 10-15% but given the fact the low cost of running the car it is better to go for CNG or LPG. You can save 50% on your costs including the cost of reducing the life of engine.
So go for CNG in my opinion.
Well, both LPG and CNG are great as far as combustion is concerned. They burn completely and don't leave anything unburnt inside engine. This leads to lower maintenance and better engine life. There are some rumours around that CNG leads to corrosion in the engine cylinders but I absolutely find no reason for the same.As far as I'm concerned, I find both of these fuels better than Petrol from maintenance and engine life point of view.
it is true that lpg results in lowered maintainance costs and incresed engine life for reasons specified by banwari ..... but
1 imp point relevent to th issue has been overlooked completely
cng causes overheating ... while lpg cools th engine ... in comparison to petrol
it is this repeated overheating of th engine ....... hundreds and thosands of times ... which primarily results in increasing maintainance costs and considerably reducing engine life of a cng engine in comparison to petrol
so petrol is better than cng ... on both maintainance exp & engine life
it is in appreciation of these negative aspects of cng that used cng cars usually fetch a considerably lower price ... while good used lpg cars fetch an additional 8-0 k over its petrol value
ya..dat mite b true 4 Mumbai...bt 4 Delhi...the running cost o cng wud actually b half of lpg.....because of difference in rates also.
1. lpg is far safer than cng .... on th issue of pressure alone ...... lpg has a pressure of only 7kgs ... against a whopping 220 kgs of cng
2. far more car models can b endorsed on lpg than on cng
3. it is true that cng reduces engine life ... it is also true that domestic lpg reduced engine life ... but wot is available now for cars is autolpg .. which is beneficial to th engine .... and increases engine life by abt 15 %
Sorry to spoil the celebtation but ther are things that they don't tell you about how good are gas fuels for the engine. Gas fuel, lacks the lubricity that exist in gasoline and diesel. The lubricity is crucial for the upper head components -piston crown, cylinder bore rings and valves. the rsult is higher friction , greater wear to engine parts, higher temperature (the spray of liquid fuel mixture with air cool down the combustion chamber). Bottom line-shorter life span of engine, blow-by of combustion gases to oil sump, worse performance. But why should they tell you all this when all they want is to ease up the pressure from importing oil.
Hi this is brucely. I am using CNG because it is very good for the heavy vehicles. The vehicle will be run perfectly and it give a great millage.
This post is edited to remove the Link/URL that had no reference to the subject matter/discussion.
It isn't the case that CNG requires more maintenance but it definately reduces the performance of the car but then you save a lot of money. Fitting the CNG kit in old cars might bring about complications in the car because it cannot be as good as a factory fitted equipment, high maintenance issue might be due to this but otherwise CNG won't contribute to higher maintenance as a "fuel." No difference in cost of maintenance for a car running on alternate fuel.
Karan owns a wagon-R duo(LPG), he knows better if there if any difference, so please comment on this Karan.
CNG cars available till date are Lancer, Optra(factory fitted) & Indica(after sales dealer fitment which is as good as factory fitted and warranty holds good.) Santro CNG will be out by year end.
Hi Anurang, i agree with your point
I read the complete thread of this CNG Vs LPG. I found few info. on the same;
Go for CNG if 1) You are driving 50km/day 2) CNG is cheaper than LPG 3) Economical
Go for LPG if 1) You are driving less than 50km/day 2) LPG bit costlier than CNG
So whats the difference?
1) CNG installation costs ~2 times more than LPG
2) CNG affects Engine life than LPG
And before buying Check the Availability of the CNG centres
So my suggestion is to go for LPG if you are going to have the vehicle for long time, go for CNG if you have any plan of selling it after some years.
Well, the suggestion again would lead to more questions.
Questions that rise from within answers . Confused? Don't be, let me get in the BIG question again.
When Using LPG/CNG ,ultimately the BIGGEST aim is to SAVE more.
So your final suggestion may or may not "fit" in. Going for CNG if one plans to sell it after some years? Is it because the Life of the engine on cng would be shorter than life of the engine on LPG? Well its only marginally less, not a drastic difference. And also, the HUGE savings would still leave you with more money even if the Engine dies out fighting with a LPG engine comaparison.
Running Cost of LPG at present are good enough to make you save. But don't forget what happened in 2008. Please go through THIS.
I've read all the threads above. Could please someone tell me that in today's senario:
(1) What would be the cost of the CNG and LPG kits?
(2) What is the difference between the cost of the CNG and LPG?
(3) What was that about their pressures? What is the capacity of the gas tanks?
(4) Can CNG and LPG kits be Interchanged?
(5) How easily is AutoLPG available in Delhi?
(6) Is it really true that LPG cools the engine?
(7) Can't these kits be fitted in diesel cars?
(8) I've heard something about a lambda with CNG kits. Any idea what is that?
(9) I own a Spark PS Oct 2008. It is MPFI. It has run 20,000 kms. Would it be beneficial to fit a kit now?
(10) Which is safer?
(11) What about the engine lubrication nowadays with CNG and LPG?