What is the difference between Propane and LPG

Liquefied petroleum gas has become a prized resource in recent years. Some of its uses include fuel for cooking equipment, heating elements, and vehicles. You may be familiar with using propane to fuel your barbeque at home or you may have a propane fueled stove. Or you may have seen a Butane fueled torch. But what about LPG, or liquefied petroleum gas? Is it the same as Propane, or is Propane just one factor of LPG?

Credit: CC / Hustvedt

Credit: Hustvedt / CC BY-SA 3.0

To answer the question is Propane and LPG the same thing, it depends on where you live and where the gas is coming from. Some countries apparently get a mixture of both Propane and Butane, which are both forms of Liquefied Petroleum Gas by themselves. So whether you get Propane, Butane, or a mixture of both; the contents are still a Liquefied Petroleum Gas.

The chemical formulae of both Propane (C3H8) and Butane (C4H10) are quite similar.  Both are hydrocarbon gases and both are Liquefied Petroleum Gas. Propane and Butane are both LPG by themselves, but are two separate elements completely. Together they make up a different form of LPG, but that doesn’t mean that the end result isn’t LPG.

The plus point of Propane is it works better in cold weather.  LPG is a liquid under pressure in the gas bottle.  When you switch on the appliance, it turns to vapour.

Autogas is altogether different, which is filled in LPG powered vehicles. Autogas is either a pure form of Propane or a mixture or Butane and Propane.

So in short, there are different ways to create LPG by definition. But no matter how you get to end of the equations, it is still considered LPG. Just like there are different ways to get the same answer in a math equation. 2 +2 = 4 and 3 + 1 = 4. The factors in the equation are different but the result is the same.

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