"Every gas station on a corner has the same price because it's a highly competitive market not because of collusion." Huh? I can go to most any gas station-occ

"Every gas station on a corner has the same price because it's a highly competitive market not because of collusion." Huh? I can go to most any gas station-occupied intersection and you will always find two that match and one (usually a Persian-owned Chevron) which is consistently a dollar or more higher per gallon across all grades of fuel.