Costco has quietly rolled out an update to its co-branded credit card, increasing gas rewards for members who fuel up at the company’s warehouse locations.

Costco's fuel stations are built around a simple premise: access is reserved for members. However, with the help of a Costco Shop Card, you won't need anything more. Anyone paying with a Costco Shop ...

Costco members who also have the Costco Anywhere Visa Card by Citi will be happy to hear the retailer has increased the cashback rates on gas purchased at Costco stations to 5%. The old 4% rate still ...

Aside from the deals found inside Costco's brick-and-mortar stores, membership allows people to purchase gasoline at its many fuel stations, which have been part and parcel of the company's business ...