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Drivers! Could LPG save you a fortune?

Would you like to cut 40% off your motoring fuel bill? Who wouldn't? answers that question...

One option that could be worth a look is converting your car to run on liquid petroleum gas (LPG). Not only is it easier on the pocket at the pumps, it's also easier on the environment and could even cut your running costs further by getting you a reduction on your road tax.


And although it usually costs between £1,200 and £1,500 to convert your car to 'bi-fuel' - which means that it will run on both LPG and petrol - if you're spending around £60 per week at the pumps the conversion should have paid for itself in a year or so because LPG is almost half the price of other fuels on the forecourts.

This is largely due to the fact that LPG has lower rates of fuel duty than other fuels: petrol, diesel and biofuels (biodiesel and bioethanol) are all subject to 61.0 p/litre in duty costs, LPG has a rate of just 37.3 p/kg.


(Quick note: LPG is a gas, so it is often measured by mass, not volume, which means prices are sometimes given per kilogram and not per litre.)


Despite the cheaper fuel costs there are still thought to be fewer than 200,000 cars running on LPG on the UK's roads- a miniscule number when you consider there are over 31million cars registered in the UK.


So why aren't more of us making the switch, particularly as petrol prices are soaring to such levels that the Office of Fair Trading (OFT) has launched a price review? Is it down to the installation costs, or a worry that the car's performance could be affected? Or are people worried about the insurance implications?

Or is it down to good, old-fashioned apathy?


But before we get into that, let's first let's see what's actually involved in converting your car to run on LPG... 


What's involved in an LPG conversion?

Converting your car to run on LPG does require some major work that will see you parting with your car for the best part of three days and will see your bank account parting with the thick end of £1,500.

The process involves having a second, independent fuel system, including a secondary fuel tank, installed in your car, and this will come with a separate fuel gauge so you know when it's time to refuel. Depending upon the type of car, you may also have to have an additional lubricating system fitted to avoid excessive wear on the engine.

That is why it is vital that you have the right sort of LPG system fitted in your car and make sure that it is fitted by one of the 200 or so LPGA approved installers. You can find your nearest, approved installer by clicking here. You should have the system serviced annually and any minor maintenance costs involved in this should cost between £25 and £50.


Around 90% of petrol cars currently registered in the UK can be converted to run on LPG. While diesel cars can also be converted, the process is a lot more complicated and is not recommended given the current technology.


Once installed, you simply fill up your new tank at a service station forecourt as you would your petrol tank. There's no danger of putting in the wrong fuel or overfilling as the LPG hose has a unique nozzle and an automatic shut-off valve.


Even though you'll be running your car on LPG, it's still worth keeping your petrol tank topped up as you can still switch over to petrol at any time. If you happen to run out of gas the car should automatically switch back over to petrol.


But with over 1,400 LPG stations covering the length of the UK, from Southampton to Stornoway, you should never be too far away from an LPG filling station - as you can see from the map below, or a full list of LPG refilling stations can be found at


For the full article please click here.