Comparison of Petrol with Liquefied Petroleum Gas (LPG) can be done in aspects like fuel consumption amount, octane rating, fuel odor, spark plug life by using fuel, octane number, etc.
Liquefied Petroleum Gas (LPG)
|1||Fuel consumption in a petrol engine is less compared to Liquefied Petroleum Gas (LPG)||Compared to petrol, running the engine on LPG results in around a 10% increase in fuel consumption.|
|2||Petrol has odour||LPG has no odor.|
|3||Octane rating of petrol is 81.||Octane rating of LPG is 110.|
|4||Petrol engine is not as smooth as LPG engine.||Due to higher octane rating, the combustion of LPG is smoother and knocking is eliminated and the engine runs smoothly.|
|5||In order to increase octane number petrol required lead additives.||LPG is lead-free with high octane number.|
|6||The mixture of petrol and air always leaks past the piston rings and washes away the lubricating oil from the upper cylinder wall surfaces in the process. This result in a lack of lubricant which causes more wear. It also carries with it unburnt fuel components and falls into the engine oil. Thus the life of petrol engine is short.||When LPG leaks past the rings into the crankcase, it does not generate black carbon. Hence, the lubricating layer is not washed away. thereby, the engine life is increased by 50%.|
|7||Due to the formation of carbon deposits on the spark plugs, the life of the spark plugs is shortened.||Due to the absence of carbon deposits on the electrodes of the spark plugs, the life of the spark plugs is increased.|
|8||Carburettor supplies the mixture of petrol and air in the proper ratio to the engine cylinder for combustion.||The vaporizer functions as the carburetor when the engine runs on LPG. It is a control device that reduces LPG pressure, vaporizes it and supplies to the engine with a regular flow of gas as per the engine requirement.|
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