When I'm driving do I run my fridge on propane or electric?

I fought fires for 30 years and some of those fires were rv's that traveled with the frig on propane. and after saying so on this forum got a lot of static from the members that I didn't know what I was talking about. well, there is a gas station in this town that was rebuilt because of a frig propane fire mishap. and many rv frames sitting int he wrecking yards of propane fire mishaps. I point out that the RV Dr and mark at rv education 101 feel the same way I do and in their videos state not to travel with propane on to the fridge. I travel with small ice packs in the fridge to help keep the frig cold. when I park at night or reach my destination the ice packs go into the freezer to refreeze. I feel safer this way then pushing my luck with a fire going down the road or buying fuel in a gas station with an open flame in the back of the fridge. but it's your rv . you can push your own luck or travel safely.