Before lower-grade gas pumps can be used again, companies like Tank Cleaning Industrial will have to clean them out.

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. Pumps are ...

The Division of Oil and Public Safety started receiving complaints Thursday after diesel was loaded from a Sinclair terminal ...

Costco Wholesale is launching its first standalone gas station this spring in Mission Viejo, California, a 40-pump site two ...

Just in time for road-trip season in California, Costco has given shoppers another reason to visit the nation's favorite superstore. After a social media teaser in February, Costco has announced that ...