Advantages Of CNG Gas Vehicles

Compressed natural gas vehicles are vehicles that use Compressed natural gas (CNG for short) as the vehicle fuel. For in use vehicles, the finalized gasoline vehicles will be modified, and a special Compressed natural gas device will be added while retaining the original vehicle oil supply system to form Compressed natural gas vehicles. The fuel conversion only needs to toggle the switch.

 Advantages of CNG cars

1. Fuel prices are cheap;

2. Low automobile exhaust pollution;

3. No carbon accumulation and low loss of vehicle components;

4. Safe and reliable;

5. Simple vehicle modification;

6. The vehicle runs smoothly.

 Safety of compressed natural gas vehicles:

Natural gas has an ignition point of over 650 degrees Celsius, making it difficult to ignite; The density is low at 0.48, making it difficult to form a combustion concentration when exposed to fire; The Octane rating is up to 130, and the antiknock performance is good. The Flammability limit is only 5-15%, so it is safer than gasoline. Vehicle gas cylinders are used after passing tests such as fire, explosion, falling, and gunfire. In the 60 years since the development of natural gas vehicles at home and abroad, there has never been a case of vehicle accidents caused by natural gas explosions or combustion.

 Advantages compared to gasoline

1. Save fuel costs and reduce transportation costs.

One cubic meter of natural gas is equivalent to 1.1 to 1.3 liters of gasoline.

 2. Higher than fuel safety.

The Autoignition temperature of CNG is 732 ℃, and the Autoignition temperature of gasoline is 232~482 ℃. At the same time, the relative gravity of natural gas to air is only 0.6~0.7. Once leaked, it can spread rapidly in the air and is not easy to gather outdoors to reach the Flammability limit.

Meanwhile, CNG is non carcinogenic, non-toxic, and non corrosive. No major combustion or explosion accidents have occurred. From the experience of using CNG in China for more than ten years, compressed natural gas vehicles are safer than gasoline vehicles.

 3. CNG fuel has good anti explosion performance.

The antiknock property of CNG is equivalent to the Octane rating of gasoline at about 130, while the highest Octane rating of gasoline currently used is only about 96, so CNG does not need additives as a vehicle fuel. Antiknock agents such as lead.

 4. Compressed natural gas vehicles have good environmental protection effects.

Using CNG instead of gasoline as car fuel can reduce CO emissions by 97%, CH compounds by 72%, NO compounds by 39%, CO2 by 24%, SO2 by 90%, and noise by 40%. And CNG does not contain toxic substances such as lead and benzene that can cause cancer. Therefore, CNG is the preferred fuel for solving environmental issues in the automotive transportation industry.

 5. Burning CNG can extend the maintenance cycle of automotive engines.

The car engine is powered by CNG, which runs smoothly and has low noise. The absence of heavy hydrocarbons can reduce carbon deposition, extend vehicle repair time by more than 20%, and extend the lubricating oil replacement cycle to 15000 km.

 Refer to：https://www.vedantu.com/chemistry/difference-between-cng-and-lpg

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