I have been on a couple long trips where I’ve almost run out of gas. My 32oz msr bottle was, uncomfortably, just enough. Once running across New Mexico where fuel stops are few and far between, once in the Alpine Loop, and once in Arkansas when I drove an hour to my planned fuel stop and realized I left my wallet about an hour away in the middle of nowhere. Yes, it was my fault each of those times, however I realize the value of spare fuel. That said I was considering a 1gal. Giant Loop Fuel Bag. I like the idea of strapping it to the top of my top case where it is out of the way. To those that have experience with these bags, is it ok to leave fuel it in for a couple days? I have read comments that say pour it into the tank as soon as possible. But I want it for emergency purposes, for 2-3 days max.