LPG fuel

What is LPG?

Liquefied petroleum gas, auto gas or LPG as it's better known, is a blend of propane and butane gases and is a by product of oil refining or from methane (natural gas) fields. The carbon emissions released are similar to those of a diesel engine, but are up to 15% lower than petrol and are 80% lower in their nitrous oxide (LINK TO GLOSS) emissions - which means it's safer for everyone.

How does it work?

There are varieties of LPG which are blends of primarily propane, blends that are primarily butane and the most common, a combination of both propane (60%) and butane (40%). Strangely enough, it depends on the season as to the mix of the gases used in LPG. During winter, propane is higher in the formula and during summer, butane levels are higher. In the UK, you guessed it, the LPG is mainly propane!

Should I use LPG instead of petrol or diesel?

There are a number of benefits for using LPG over petrol and diesel. In comparison, LPG is better for the environment as it has a lower carbon content which automatically reduces your carbon footprint. LPG is also kinder on your car's engine, causing less wear and also lowering noise levels, in turn reducing general noise pollution.

At normal temperatures and pressures, LPG will quickly evaporate, so in the event of a fuel spill, there is no risk of ground or water contamination. LPG has a lower energy density than petrol or diesel, so it does require you to use more fuel, but on the upside there is less tax on LPG so it all evens out. LPG conversions are available on most modern cars, costing somewhere between £1,500 & £2,000 - so if you use your car a lot LPG may be an alternative to save money and lower your carbon footprint.