Data as of Jul 25, 2026 · Based on 2,718,867 AI responses across 9,511 prompts · See how Parse measures this
TOP TIERtoptiergas.com · Low evidenceTOP TIER™ is a fuel performance standard set by leading automotive manufacturers to ensure gasoline is 19x cleaner than lower quality options. It cleans harmful carbon deposits from engines, restoring performance and fuel economy at no extra cost across all octanes.
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