Not all fuel brands adhere to Top Tier gasoline standards. Those that do are listed on the Top Tier website, which also includes a link to a Station Finder App you can download to find Top Tier ...

Gasoline brands are not created equal ... “Safeway gasoline is not on the Top Tier list. It may lead to carbon buildup, ...

Consumer Reports says to buy good-quality gas and recommends using Top Tier gas. Top Tier is a higher standard that brands, ...