Our stations are designed for fast refueling, with long hoses that allow you to fill from either side of your vehicle.Our extra-long hoses allow fueling from either side of the vehicle, so there is no need to be concerned with which lane to choose.
https://www.costco.com/gasoline-q-and-a.html#:~:text=A%3A%20Costco's%20approach%20to%20fuel,with%20which%20lane%20to%20choose.