I have read many studies like that, and as with the others, there is no mention of bears connecting an RV with a fridge and therefore with food. I suspect you are looking at this from a broad "bears are attracted to food and will seek out known sources of food" and missing my point about the specific food source of RV fridges not being a known source by bears. When I started camping in bear territory with an RV, I specifically asked rangers if I needed to store my food in the provided bear lockers. I was told no. Simply keep food out of visual sight inside the RV - such as in cupboards and the fridge, and it would be fine. Don't leave coolers on the seats in the cab of the motorhome or on the dinette table, etc. There is no need to not use your RV fridge unless there is a specific warning at that campground not to do so, because bears in general have not correlated RV - fridge - food. And I know of no campground that has posted that specific warning. There are few campgrounds that ban popups due to bears. In those areas, stupid people have taught bears to associate canvas habitats with food. In those areas, leaving food in a popup fridge would reinforce that association - however, popups are not allowed there so it is a moot argument. For campgrounds that allow popups, I have yet to see the "no food in popup fridge" warning. And yes, I do agree the bear problems are caused by people.