years ago I converted my old Land Rover S2A to lpg. Predominantly to save money, but the low emissions were a bonus.
However, due to the lack of infrastructure, on many journeys I ended up doing huge detours to try and find an lpg station so any savings were often negated......
"Y mae dafad ddu ym mhob praidd" 1972 4/4, 1981 MGBGT, 1984 FLHT1340, 1980 XLH1000, 1990 ZX10