Single dad. How do I get gas with kids in car

Hi simple problem I've been running into lately how do people get gas when they have small children I have a 19 month old and 6 month old there's no full service station around can't leave them in the car and I'm ganna have a SUV soon instead of driving a truck so can't keep a jury can in the back anymore I'm sure there's a simple solution as people must have been doing this for years other then just getting gas when there not in the car that is often not an optionAh credit card at the pump never used it before so didn't think of it thanks Reddit via /r/Parenting http://ift.tt/2u6c1qT