What is LPG?


Liquefied Petroleum Gas (LPG) is a mixture of petroleum and natural gases (Propane and Butane) that exist in a liquid state at ambient temperatures when under moderate pressures. It is a by-product of the oil refining process and until recently, was burnt off as waste, but since the potential of this cleaner source of fuel has been realised, it has gained increasing support as an environmentally friendly automotive fuel, both in reducing global warming and improving air quality, particularly in towns and cities where vehicle emissions cause specific pollution problems.

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To define it more simply: It is contained liquid energy.

It is mobile, works fast, burns cleaner and is safe to use anywhere.

It can be applied domestically (e.g. stoves and heating), commercially (e.g. restaurants)

and industrially (e.g. power turbines).

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Why use LPG?

1. Its cleaner and greener.

All fuels are made up of a complex of Hydrogen and Carbon. This is burnt off to form water (H2O) which is harmless to the atmosphere, and Carbon dioxide CO2, which, in large quantities, is not. When comparing it to petrol and diesel, LPG is the best environmental alternative. It is a low carbon content fuel that can reduce your carbon footprint. Tests have shown an almost 20% reduction in carbon dioxide (CO2) emissions when compared to the equivalent petrol vehicle.

LP GAS emissions:


Compared to petrol
• 75% less carbon monoxide
• 85% less hydrocarbons
• 40% less oxides of nitrogen
• 87% less ozone
Compared to diesel
• 90% less particulates, hydrocarbons and carbon monoxide
• 50% less oxides of nitrogen

2. It’s Cheaper.

A vehicle run on Autogas saves costs up to 40%! Fleets can save even more as Bulgaz is an independent Gas Supplier and will supply LPG on site as required.

3. It’s safe:

In the event of a fuel spill, LPG leaves no risk of ground and water contamination as it evaporates fast and easily. A powerful odorant, ethanethiol is also added so that leaks are detected easily. Autogas, is just as safe as petrol or diesel tanks as there are a number of safety valves and solenoids within the LPG tank and conversion system, including a pressure relief valve (PRV) and excess flow valve. In the event of a fire, the PRV will allow safe venting of excess pressure to atmosphere.  If the LPG supply line were severed in an accident, the excess flow valve would activate, cutting off the fuel supply from the LPG tank.