LPG AND CNG which is Better?????

1 ----Emissions

Average 70% lesser than petrol / diesel (CNG )

Average 90% lesser than petrol / diesel (LPG)


2----Power

Reduces by about 20% as gas carburetors are often used (CNG)

Same as petrol / diesel vehicles (LPG)

3----Volume of Fuel tank

Large tanks avg. 6 times that of petrol / diesel for same mileage: additional weight and eats up (CNG)

One third that of CNG (LPG)

4---Filling time

Many times compared to petrol / diesel depending on quality of compressor(CNG)

Same as petrol / diesel (LPG)

5----Conversion cost

Taxi / car: PKR 25,000(CNG)

Taxi / Car: PKR 6,000 � 14,000 (LPG)

6-----Safety

High pressure can be a safety concern (CNG)

5-7 bar, comparable to conventional fuel (LPG)

7----Handling

Requires special equipment (CNG)

Ease in handling as close to liquid fuels (LPG)

8-----Dispensing

Requires special equipment. A compressor alone costs PKR 20 million and a complete station (CNG)

Average LPG stations cost PKR 3.5 million only (LPG)

9-----Transportation

Dependent on pipeline networks (CNG)

Easily transported by road tankers like liquid fuels (LPG)

10---Distribution

Dependent on pipeline networks (CNG)

Supplies delivered by road tankers liquid fuels (LPG)

11----Network Establishment

Longer lead time due to pipeline laying (CNG)

Easy to develop, lead time of hardly three months for each facility (LPG)

12----Initial investment in infrastructure

Average USD 250,000 and upwards for just a dispensing station with compressor of (CNG)

Average USD 65,000 (LPG)

13---Global experience

4,600,000 vehicles (CNG)

Over 9 million � 2 times more vehicles on road in cities across the world (LPG)