>being given quantity discounts It's way more than that. Imagine trying to open a gas station without being required to provide restrooms, handicapped spaces,

>being given quantity discounts It's way more than that. Imagine trying to open a gas station without being required to provide restrooms, handicapped spaces, environmental permitting, and all the other headaches that come with opening any other business location, let alone the requirements that are gas station specific. Especially since time to charge basically guarantees the occupants will be getting out of the car, which isn't the case for 5 min fill-ups at gas stations.