Preppers...here’s a clue how about how fast fuel shortages can happen...two days after rains, gas stations out of fuel. Keep your tank full.
https://wsvn.com/news/local/broward/fuel-trucks-unable-to-reach-shipments-at-port-everglades-due-to-floods-leading-to-local-gas-station-closures/
Two tanks on the F150. I have to keep reminding my wife not to run both of them dry before filling up.