Here down under LP gas for cars is a common option, just about every taxi is also on LP gas. most service stations have the pumps etc for filling, at the moment a litre of gas is around 50% of a litre of petrol. my own car is duel fuel with a 75 litre gas tank plus a 75 litre petrol tank, space in the boot is lost by the fitting of the gas tank.
i have no problem filling up with gas, it is as easy as filling up with petrol, performance wise the car will use around 2 litres per 100 Km more on gas than petrol. Overall very happy with the system.
BR Ian
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