We have a program like this for BBQ gas bottles in melbourne (possibly nation wide, I've never checked). Works well - you swap your empty bottle with a full one

We have a program like this for BBQ gas bottles in melbourne (possibly nation wide, I've never checked). Works well - you swap your empty bottle with a full one, pay and take it home. No filling up and you know you have a safe bottle that has been checked (in Australia you cannot use one that is older than 10 years). Funnily enough you also get less precious about its "performance" - as long as it works, users tend to lover look the appearance. Car batteries are a different matter but I think there are some valid parallels here.