> It was suggested that pointing out that
> 
>          using Propane as a refrigerant in A/C systems is dangerous and
> illegal
> 
> might give someone the idea to try it, instead of dissuading them as intended.
> 
> Now my question:
> 
> Do we have a greater moral obligation to such people to protect from their own
> stupidity, or to the human race to allow nature to take its course?
> 
> Tom

Um, the later, I think.  BTW, can you mix the propane with the feon, or
do you have to evacuate the feon first?

TBill