Top Tier Rated Gasoline

Basics

• ”Top Tier™️” is a Fuel Performance Standard for Gasoline for use in Road Engines
• It mainly assures a certain amount of Detergency (often via Fuel Detergent Additives ) thus cleaner Fuel Injectors and Intake Ports (If using Port Injection / Dual Injection etc)
• Backed up via the standard+industry behind it, as well as via some studies (further digging needed on that)

External Links

• The Wikipedia Page on Top Tier Gasoline
• The Group’s Website