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The benefits
Greener and Cleaner 
  • Compared with petrol and diesel, LPG is the best environmental alternative
  • LPG is a low carbon content fuel that can reduce your carbon footprint read more
  • LPG produces fewer harmful emissions that impact on local air quality. read more
  • Engine noise is low
  • Less damage to soil and water in case of spills - LPG will quickly evaporate in the event of a fuel spill. Unlike petrol and diesel, there is no risk of ground or water contamination
  
Cheaper 
  • Savings of around 40% compared with petrol and over 20% compared with diesel on fuel costs read more on fuel savings
  • Cheaper road tax for some vehicles read more
  • Discounts on London Congestion Charges read more
  • Discounts on some car parking schemes read more
  • See how much money and CO2 emissions you can save by converting your vehicle to LPG autogas - click here for calculator 
  
Greener
Reduce your carbon footprint by running on LPG 
Independent Pan-European tests were undertaken in 2003 which demonstrated the following results: 
  • Petrol CO2 is 20.3% more than LPG 
  • Diesel COis 1.8% more than LPG 
The 2005 report by CONCAWE found a small CO2 advantage of LPG over diesel increasing to 10%  by 2010 as a result of the worsening CO2 emissions of diesels as those engines struggle to meet Euro V emission standards.
 
For more detailed information click here 
Cleaner
Air quality, particularly in urban areas, is a continuing issue for the nation’s health.
Department of Health statistics show that particulates are responsible for thousands of advanced deaths and thousands of instances of illness; also NOx emissions are a major element of low-level ozone, which causes smog and can worsen existing asthma conditions click here for information on air quality.
Extensive independent tests showed that:
  1.  
    • One diesel vehicle emits 120 times the amount of fine particles as the equivalent LPG vehicle
    • It takes 20 LPG vehicles to emit the same amount of NOx as one diesel vehicle.
The implementation of “Euro” emission limits is bringing about an improvement in the NOx and particulate emissions of new vehicles but this is only to a limited extent compared with LPG. Even Euro VI diesel vehicles will have many times more NOx emissions than those running on LPG.
For more detailed information click here
  
Fuel Savings.
LPG vehicle users can save around 40% on fuel costs compared with petrol, and over 20% compared with the equivalent diesel. A typical example of a popular car is the 2005 Vauxhall Vectra for which the figures are:

 

Fuel Type
Model details
Euro Emission Level
MPG *
Fuel
Price **
Cost per 1000 miles
LPG
122ps 1.8i
5 speed saloon
IV
29.4
£2.64 per gal
58.1p per litre
£89.79
Diesel
120ps 1.9cdti
6 speed saloon
IV
49.5
£5.95 per gal
131.0p per litre
£120.20
Petrol
122ps 1.8i
5 speed saloon
IV
38.6
£5.34 per gal
117.5 p per litre
£138.34

 

* Source - Vehicle Certification Agency imperial combined mpg
**Source- Fleet News – 19/6/2008
Another way of looking at the massive savings by running on LPG autogas is by comparing the number of miles travelled for £10 for each fuel. 
 
The low price of LPG autogas is a result of the low level of fuel duty applied by the government. This government support is in recognition of LPG’s environmental benefits 
In the 2010 Budget, Chancellor Alistair Darling signalled extended support for the LPG autogas industry.
Fuel duty on petrol and diesel will go up by 2.76p per litre in the current year whilst the duty on LPG will go up by only 2.685p per litre.
As regards the differential in duty we have with petrol and diesel, the government headline commitment is that this differential would not decrease by more than 1p per litre per year. However, rather than seeing this decrease, we are seeing the differential increase to our advantage:
-          Year beginning 1/4/2009 –
Petrol / diesel increase  3.84p whereas  LPG increase only 3.45p
-          Year beginning 1/4/2010 –
Petrol / diesel increase 2.76p whereas LPG increase only 2.685p
-          This means that the differential will be at its highest ever amount at 42.43p in January 2011
The Chancellor also announced all fuel duty would rise by 1p per litre in real terms in April 2014, ensuring the 5 year commitment on fuel duty is continued.
Fuel duty increases in the coming year are being phased in as follows:
With effect from 1/4/2010 -       
 Fuel duty on petrol will go up 1p per litre to 57.19 p
            Fuel duty on LPG will go up 1.43p per litre to 15.265p
With effect from 1/10/2010 – 
 Fuel duty on petrol will go up 1p per litre to 58.19 p
            Fuel duty on LPG will go up 0.71p per litre to 15.975p
With effect from 1/1/2011 -  
 Fuel duty on petrol will go up 0.76p per litre to 58.95p
             Fuel duty on LPG will go up 0.545p per litre to 16.52p

Mike Chapman, Autogas Manager of UKLPG said "This is really good news for motorists thinking of converting to LPG, as motorists are assured of savings for 5 years, it makes a worthwhile investment, even in these difficult economic times"

 
Road Tax
For cars registered after 1st March 2001, car road tax, (Vehicle Excise Duty), is charged according to a vehicle's carbon dioxide and fuel type. CO2 figures are submitted by the vehicle manufacturer and recorded on the vehicle logbook. No changes after registration are permitted even if the car is subsequently converted to run on LPG.
However, for those cars registered after 2001and converted to run on LPG, owners who submit the appropriate documentation (e.g. LPGA LPG Conversion Certificate - click here for details) to the DVLA can request that the taxation class is changed to 'Alternative Fuel Car' and will then be eligible for a standard reduction on VED.
Have a look at the DVLA website www.direct.gov.uk for more information on how vehicles are banded according to their emissions, and the VED rates applied.


London Congestion Charges
Transport for London provides an Alternative Fuel Discount (100%) for certain vehicles including some LPG conversions. If you enter the zone most days, this move could save you up to £1600 per annum.
To be eligible, a vehicle and the specific conversion (make of conversion equipment) must have undergone government approved tests to demonstrate  that the emissions are 40% below Euro IV levels.Such vehicles are then eligible to be included on the Energy Saving Trust "Powershift Register". The Register also includes the installers who are approved to fit that specific conversion.
To see if your LPG vehicle, with the specific conversion, is on the current Powershift Register click here . To check if your vehicle may have been on previous registers and thus still eligible, contact the Register Administrator, Energy Savings Trust on 020 7222 0101 - email: This e-mail address is being protected from spam bots, you need JavaScript enabled to view it
If your car makes the grade, you need to register with Transport for London, www.tfl.gov.uk and pay an annual £10 fee to receive the discount.

Car Parking Discounts
A number of Councils in the UK operate incentive schemes for LPG vehicles using city centre car parks or residents' parking. These include:

 

Municipal Parking
Residents Parking
Contact Details
East Sussex County Council
 
Hart District Council
Manchester Green Badge Scheme
Milton Keynes
 
Sheffield
 
  
London Borough of Barnet
 
Carmarthenshire County Council
 
Islington Council
 
Westminster City Council
London Borough of Richmond
Haringay