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What is top-tier gasoline and where can I find it

Answers from the Automotive Experts

Colleen McGee, Driving Instructor at Americas Driving School Hi Rich! Top Tier gasoline is gasoline that has added detergents for keeping the engine clean. It must meet certain industry standards. Your major, well- known gas stations like Chevron, Shell,76, Mobil will have gasoline in this category http://www.toptiergas.com/retailers.html Happy, safe driving! Colleen M.

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