Just filled up outside of Boston, Massachusetts. $1.89/gallon "regular" ($0.50/liter) and $2.37 "premium" ($0.63/liter). I have a friend with a Costco card payi

Just filled up outside of Boston, Massachusetts. $1.89/gallon "regular" ($0.50/liter) and $2.37 "premium" ($0.63/liter). I have a friend with a Costco card paying $1.63, which I haven't seen since the 1990s.