Just when we thought we couldn't love Costco any more, the warehouse store adds an exciting new perk. Here's how to get it.

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.

One of America’s leading supermarket chains, Walmart, is making another move to increase its competition with Costco Wholesale. The big box retailer has big plans to revamp its gas station and ...

Add Yahoo as a preferred source to see more of our stories on Google. Good news, drivers — San Luis Obispo’s Costco gas station is back up and running after a nearly 70-day closure, and it now ...

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