I’m often asked, especially when talking about riding in Mexico, if I worry about running out of gas.  “Nope, I have an extra large tank on my bike,” is my standard reply.  But some riders don’t have a big tank.  No worries, there are other options. For example, Rotopax sells a really good setup. Or you can just strap a gas can to to the back of your bike with all the other stuff you have back there. It’s not pretty but it works as long as everything is secured properly.