CNG Vehicles

Terminology

There are three main types of CNG powered vehicles;

Bi-Fuel: A spark ignition engine that can be operated on petrol or natural gas at the demand of the driver or automatically if the gas runs out.

Dual fuel: Natural Gas is injected into a diesel engine and ignited by a pilot flow of diesel, usually at a ratio of 70-80% gas to 20-30% diesel.

Dedicated: A vehicle that runs solely on natural gas (no petrol or diesel). These have been developed by the OEM manufacturers specifically for CNG and for optimum efficiency and reduced tailpipe emissions.

The choice of what type of vehicle to buy or lease will depend on many factors and GCNGSL will be able to discuss these on request.

Vehicle Cylinder Capacities

The following are typical equivalent vehicle cylinder capacities (w/c = litres water capacity);

50 litres w/c = 11 petrol litres = 10 diesel litres

60 litres w/c = 13.2 petrol litres = 12 diesel litres

90 litres w/c = 19.8 petrol litres = 18 diesel litres

120 litres w/c = 26.4 petrol litres = 24 diesel litres

150 litres w/c = 33 petrol litres = 30 diesel litres

Worldwide there are more than 5 million vehicles operating on Natural Gas filling at more than 10,000 filling stations. CNG has been around for more than 75 years and is far from being new technology.

GCNGSL has worked closely with CNG vehicle manufacturers over the past 15 years and recognises the importance of good quality vehicle conversions or OEM produced CNG vehicles.

Almost all types of conventionally powered vehicles are now available to run on CNG.

Remember, a personal fleet appraisal will tell you what vehicles are a suitable match for your fleet.

 

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