Gas can be anywhere from 5 to 25 cents cheaper at Costco and Sam's Club than other stations even next door. How?

The national average price of a gallon of regular gas is $3.16, according to AAA. At Costco in New Jersey during the week of April 14-19, the average price of gas at Costco for this week in New Jersey ...

Idaho gas prices dip to $3.29 per gallon as crude oil costs fall. Experts warn of rising demand near Memorial Day despite ...