Reducing lighter fluid evaporation in your Zippo This one, I myself have done. It does lengthen the storage life of the fluid, but makes the lighter less immediately accessable. Butane conversion https://www.youtube.com/watch?v=9Z47G1H4me4 I just bought another Zippo. Why? It was pretty. OK, so it had a beautiful woman's image on the case, Art Nouveau. I began smoking in Jr. High, smokin to get high in high school, but I began always carrying a cigarette lighter & pocket-knife in grammar school. Cave man say, "Must make fire! Must cut meat! Og happy. Time man give Og Zippo, big can fire magic water. Zippo God!" Everybody, please add your ideas in the realm of making fuel last longer in a Zippo. I know that we all have several containers of hurricane matches, but hey, Zippos are handy. .