As someone who frequently visits the US through NY state primarily (Buffalo/NY area) I've been puzzled by this myself. My last trip a month ago had me paying $3.39 in NY State, then $2.9X in Erie, PA and $2.39 at Sams Club in Ohio the next day.
If it makes you feel better, at the same time the equivalent price of gas here in Canada was still over $4 a gallon.
If it makes you feel better, at the same time the equivalent price of gas here in Canada was still over $4 a gallon.
