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CNG Kit in my Alto LXI Model 2003

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#11 21-Nov, 2011 02:56 PM
Sunny Raj
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Joined Date: 18 Nov 2011
Location: Bangalore
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Hey Guys Thanks for the Reply here i got something from other posts/discussion. In nutsheel what i concluded is 

1) Performance wise LPG is better but Car mileage reduces in LPG/Autogas & it is costly also.

2) By CNG mileage increases & its cheap also. So better benefits but car engine comes at risk.

Guys kindly guide me if my conclusion is correct or I am getting wrong somewhere.

with LPG: Per Litre cost of LPG: Rs.35

If a car gives a mileage of 14km/ltre with petrol(as taken above), it wil give around 11.5 km /LITRE with LPG.

So on Spending Rs 100 you get 2.8 litre LPG, which runs around 32 km, so running cost comes to be Rs 3.12 /km

So on LPG You save Rs 3.57-3.12=Re0.45( 45 paise)  ON EVERY Km you drive.

.....................................................................................................................

CNG PRICE: Rs 18/ Kg

If a car gives mileage of 14/litre with petrol it shall give around 16.5 with 1kg CNG.

So running Cost with CNG =Rs 1.1/km

And as Shown above:

Running Cost with Petrol =Rs3.57/km

Running Cost with LPG= Rs3.12/KM

............................................................................

By the way, on the discussion above (LPG vs CNG), I would briefly state.... CNG reduces performance/pick-up by 20-25% while LPG reduces by 10%-15%.  In LPG, the mileage reduces while in CNG it increases - for instance, if the car gives a mileage of 12 on petrol, it will give 10 on LPG & 14 on CNG (approxmate figures).  However, all these vary a little from car to car & depending upon the LPG/CNG Kit, Retrofittment quality (workmanship) & maintenance. 



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