Here's the scenario, you have a diesel pickup towing a travel trailer. The TT uses the twin 2000 watt gas generators for off grid electric needs. You have a topper on the truck. What is the safest and most convenient way to carry extra fuel for the generators and how much fuel do you typically carry for say a two week stay? This would usually be in cooler areas of the country where 24/7 AC use would not be required.
I'm lazy. I like dispensed gas (diesel). A universal electric fuel pump and press down foot switch is great. We have carboy containers enclosed by wire mesh, 1/4" thick polypropylene. No rust. Pop open the vent cap and fill right after sunrise. Lowest humidity. The Kubota has a 15 gallon day tank. Junk settles to the bottom where it can be drained. The full carboy had overloaded Jesus' Mighty Max but not the replacement Toyota T100.
You talk about Nitrogen in another thread. Blasting out air and replacing it with Nitrogen would go a long way in preserving fuel in long-term storage.
I never take any extra gas with me, it leaves more room for beer. Now back to the gas. I try to park two sites for 2oldman because he never locks his chains.
I use plastic. A pair of two-gallon plastic cans will fit into one of those "milk carton" containers from Walmart. I run a nylon rope trough the carton AND the can handles to secure them in the truck bed. (At highway speed, an empty can may be sucked out of the truck, as I have found out.)
In my truck bed I may run a chain through the handles.. but usually not. For a two-week stay with NO air I'd probably get by on 5 gallons. Running air I could go through 5 gallons a day.
"If I'm wearing long pants, I'm too far north" - 2oldman
That's kinda what I've got in mind. I guess I'm just paranoid about carrying around two of those in the back of the truck. On the other hand, being plastic, it's not like they are gonna spark up I guess.
I have one of those extended run fuel tank kits that uses an outboard motor tank. I bought a spare outboard tank at a yard sale. Between the generator tanks and two outboard tanks, I have never needed any more. Swapping tanks takes only seconds. It is not real easy to pour gas from the outboard tanks so I carry a collapsible funnel.