Costco has raised the gas cash-back rate on its co-branded Visa card from 4 percent to 5 percent for purchase at its stations ...

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

Costco is famed for its $1.50 hot dog and other inexpensive items, but can your Costco membership get you cheap gas in other ...

The discussion appears to be driven, at least in part, by Costco, which is looking to relocate its Santa Rosa Avenue fuel ...

The new Costco warehouse in Camarillo is under construction after years of planning, with site work and building structures ...

Off Highway 55 and Hill Road sits a vacant 27‑acre lot -- but if plans move forward, it could become home to a new Costco Wholesale store, complete with a fuel facility and nearly 900 parking spaces.

The Costco gas station on Barnes Road has been confirmed as one of the locations affected by a gas and diesel mix-up ...