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  2. Oil additive - Wikipedia

    en.wikipedia.org/wiki/Oil_additive

    Essentially, only the American Petroleum Institute (API) Service SA motor oils have no additives, and they are therefore incapable of protecting modern engines. [2] The choice of additives is determined by the use, e.g. the oil for a diesel engine with direct injection in a pickup truck (API Service CJ-4) has different additives than the oil ...

  3. Top Tier Detergent Gasoline - Wikipedia

    en.wikipedia.org/wiki/Top_Tier_Detergent_Gasoline

    Top Tier fuels must maintain levels of detergent additives that are believed to result in a higher standard of engine cleanliness and performance as compared to the United States Environmental Protection Agency (EPA) requirement. In addition, Top Tier fuels may not contain metallic additives, which can harm the vehicle emission system and ...

  4. List of gasoline additives - Wikipedia

    en.wikipedia.org/wiki/List_of_gasoline_additives

    Fuel additives in the United States are regulated under section 211 of the Clean Air Act (as amended in January 1995). The Environmental Protection Agency (EPA) requires the registration of all fuel additives which are commercially distributed for use in highway motor vehicles in the United States, [8] and may require testing and ban harmful additives.

  5. Dura Lube - Wikipedia

    en.wikipedia.org/wiki/Dura_Lube

    The company along with several others including Valvoline Engine Treatment, Slick 50 Engine Treatment, STP Engine Treatment, and Motor Up Corporation, was investigated by the Federal Trade Commission in 1999-2000 and was found to have no competent or reliable evidence substantiating these claims about its performance. [3]

  6. STP (motor oil company) - Wikipedia

    en.wikipedia.org/wiki/STP_(motor_oil_company)

    STP is an American brand of automotive aftermarket products, especially lubricants such as motor oil and motor oil additives. The name began as an abbreviation of Scientifically Treated Petroleum. The brand has been owned by Energizer Holdings since November 2018. [1]

  7. Motor oil - Wikipedia

    en.wikipedia.org/wiki/Motor_oil

    Motor oil is used for the lubrication, cooling, and cleaning of internal combustion engines. Motor oil may be composed of only a lubricant base stock in the case of mostly obsolete non-detergent oil, or a lubricant base stock plus additives to improve the oil's detergency, extreme pressure performance, and ability to inhibit corrosion of engine ...