I've been tracking my fuel economy since I bought it. I *don't* have a light right foot and I rarely travel under the speed limit.
See
On LPG, the figures are:
Hwy 18 l/100km = 15.7 mpg City 22 l/100km = 12.8 mpg
LPG costs 45 cents/litre (18p/litre) - sometimes less Petrol costs 95 cents/litre (38p/litre)
Ron Beckett Emu Plains, Australia
1995 P38A Range Rover HSE 4.6 Litre V8