One of the challenges of world travel is procuring fuel.
Generally gasoline and diesel are not a problem unless you are in an area of spot shortages such as Patagonia, where we are now.
Propane, however, can be a problem. Because different countries use different physical couplings for dispensing the fuel and have different processes for doing so, some precluding direct contact with the fueling source, buying propane can quickly escalate into a Holy Grail worthy quest.
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