In 1954, Chevron, an American oil refining company, was the first to add surfactants (Cleic Acid Amid, amine compounds) to fuel to clean carbon deposits caused by incomplete combustion of fuel in engines.
Subsequently, cleaning agents such as Poly Isobutenyl Succinic Acid Imide (PISAI) in 1968 and Polybuteneamine (PBA) in 1970 were developed. In 1980, PEA (Polyetheramine), which is the main component of most fuel additives today, was developed.
Gasoline and diesel fuel sold at regular gas stations already contain these cleaning components, such as PEA, PBA, PISAI, and alkylphenol amine, as well as MTBE (Methyl Tert-Butyl Ether), EHN (2-Ethyl Hexyl Nitrate), and lubricity improvers.

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