As a couple of others have done I have 4 of those 14 gal tanks, 2 for gas and 2 for diesel. They have wheels so me/the wife can roll them around. I may use a lot of fuel one year but barely any the next so my thinking is as one gets empty then the next time we go into town we fill it up then rotate the tanks. I can still get the full tank down off the truck, well for a couple of more years, and the wife just use's the bucket or forks depending on what is attached.
I don't use the stock hose, (kept them for backups), I bought 2 ac/dc stick pumps, one for diesel and one for gas. Rated for gas AND diesel. They can clip onto a battery or plug into an ac socket.
Amazon.com
I still have a few small pressure washer size tanks and didn't want to get diesel mixed in. The hose's do drain well so no big deal there anyway. You do have to lay the tanks down to use the stick pump as the the pump won't bend. It did fit a couple of my 5 gal cans but didn't on a couple of others. Got tired of holding the 5 gal can and it's a lot easier for the wife to use.
(Turns out it's easier just to take my 2 gal tank to the little machines then it is to drag the machines to the big tank than drag it back, oh well.)
And yes I do fill the tanks on the truck, I do touch the truck before fueling and keep the nozzle against the fill neck as I fuel. Actually all 4 tanks will fit side by side.