There are a lot of additives in modern gasoline chemistry to keep up with the new higher performance cars and to provide for a longer life for your car's engine.

antiknock compounds - Increase octane number

scavengers - Remove combustion products of antiknock compounds

combustion chamber additives - Suppress surface ignition and spark plug deposit modifiers fouling

antioxidants - Provide storage stability

metal deactivators - Supplement storage stability

antirust agents - Prevent rusting in gasoline-handling systems

anti-icing agents - Suppress carburetor and fuel system freezing

detergents - Control carburetor and induction system cleanliness

upper cylinder lubricants - Lubricate upper cylinder areas and control intake system deposits

dyes - Indicate presence of antiknock compounds and identify makes and grades of gasoline

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