LPG OR CNG

WHAT ARE THE DIFFERENCES BETWEEN LPG AND CNG?

As supplier of LPG and CNG systems we try to give more information about the differences between LPG and CNG systems. The systems look simular but are totally different.

This photo shows a CNG pressure regulator.

The differences are:	LPG	CNG
power loss ±	10 %	20 %	unless special engine
Mileage ±	1 L.: 10 KM.	1 L.: 5 KM.	CNG at 200 bar
Tank pressure ±	10 bar	200 bar
60 litres tank useble ±	60 x 80% = 48 Litres	200 bar-30 bar = 170 bar	± 30 bar residual pressure
Filling time 60L tank LPG nett 48 litres ±	3 minutes - std.	5 hours - slow fil.	No pre pressured CNG
Filling time 60L tank LPG nett 48 litres ±	3 minutes -std.	3 minutes or more fast fil.	240 bar pre pressured CNG
actieradius ±	48 x 10 = 480 km	60L x 170bar / 200bar x 5 = 255 km
Additional weight ±	60 kilo	80 kilo	unless smaller petrol tank
Conversion costs ±	2250 €	4500.- €
FUEL costs a litre ±	0.34 €	0.05 €	prices in Holland

This photo shows a LPG pressure regulator.

The following questions can help you by deciding to have a conversion CNG.

- Are there CNG filling stations in the area where you use your car? - Do you normally drive less then 225 km a day? - Are you willing to wait over 10 minutes for filling up your car? - Can you accept: it's only possible to fill your tank for 170 bar or less? - If you install your own filling station are you willing to wait ± 6 hours to fill your tank?

If you answer most of the questions with "yes" you might consider a CNG conversion.

The following questions can help you by deciding to have a conversion to LPG.

- Are there LPG filling stations in the area where you use your car? - Do you normally drive less then 430 km a day?

If you answer most of the questions with "yes" you might consider an LPG conversion.