Getting gas at Costco can be great for your bank account, as you typically save around $0.20 per gallon compared with other stations. But there's one potential downside to buying fuel at some club ...

Costco Wholesale Corp. has widened the window of hours during which members can fill up their vehicles. The move comes after a drop in comparable gas sales at the retailer during the three-month ...

Ever approach a Costco gas station, see the long lines and glumly pull away? The big-box club in recent weeks finally did what members have sought for years: It expanded hours to pump gas.