LPG & CNG

 Liquefied Petroleum Gas (LPG)

1. What is LPG?

Liquefied Petroleum Gas (LPG) is a flammable hydrocarbon gas that is liquefied through pressurization. It is commonly used as fuel in heating appliances, cooking equipment, vehicles, and industrial applications.

2. Composition

LPG is primarily composed of propane and butane or a mixture of both.

3. Properties  

LPG is stored as a liquid under moderate pressure. It is highly flammable, colorless, and odorless in its natural form, although an odorant is usually added for leak detection. It boils at low temperatures, around -42°C for propane.

4. Uses

LPG is widely used for domestic cooking and heating, industrial heating, fuel for generators, autogas (LPG-powered vehicles), and in agriculture.

5. Advantages 

It is a clean-burning fuel, easily stored and transported, more energy-dense than CNG, and produces lower greenhouse gas emissions compared to diesel or petrol.

Compressed Natural Gas (CNG)

1. What is CNG?

Compressed Natural Gas (CNG) is natural gas that is stored at high pressure and used primarily as a fuel for vehicles.

2. Composition

CNG is mostly made up of methane.

3. Properties

 CNG is stored as a gas at high pressure, typically between 200 to 250 bar. It is colorless, odorless, and lighter than air, which means it disperses quickly in the event of a leak. It also has a high octane rating, making it suitable for use in spark-ignition engines.

4. Uses  

CNG is used as fuel for vehicles like buses, taxis, and trucks. It is also used for power generation and in residential or industrial applications where natural gas pipelines are available.

5. Advantages  

CNG produces very low emissions, is abundant and relatively cheap, causes less engine wear compared to petrol or diesel, and is considered safe due to its quick dispersion in air during leaks.

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