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2. Motor oil - Wikipedia

   en.wikipedia.org/wiki/Motor_oil

   Engine oil which has been tested and meets the API standards may display the API Service Symbol (also known as the "Donut") with the service categories on containers sold to oil users. [21] The latest API service category is API SP for gasoline automobile and light-truck engines. [22] The SP standard refers to a group of laboratory and engine ...

3. Synthetic oil - Wikipedia

   en.wikipedia.org/wiki/Synthetic_oil

   API Group I-, II-, II+-, and III-type mineral-base oil stocks are widely used in combination with additive packages, performance packages, and ester and/or API Group IV poly-alpha-olefins in order to formulate semi-synthetic-based lubricants. API Group III base oils are sometimes considered fully synthetic, but they are still classified as ...

4. American Petroleum Institute - Wikipedia

   en.wikipedia.org/wiki/American_Petroleum_Institute

   API Standards Committees are made up of subcommittees and task groups that works and maintain these standards. [10] [11] API also defines the industry standard for the energy conservation of motor oil. As of 2020 API SP is the latest specification. It supersedes API SN. SP specifies more stringent engine oil performance requirements for spark ...

5. List of crude oil products - Wikipedia

   en.wikipedia.org/wiki/List_of_crude_oil_products

   The chemical profiles, or crude oil assays, specify important properties such as the oil's API gravity. The delivery locations are usually sea ports close to the oil fields from which the crude was obtained (and new fields are constantly being explored), and the pricing is usually quoted based on FOB ( free on board , without consideration of ...

6. DEXRON - Wikipedia

   en.wikipedia.org/wiki/DEXRON

   DEXRON-II(C) was composed of a more stable, less reactive, hydrocracked Group 2 base oil plus a revised additive package with corrosion and rust inhibitors such as jojoba oil; however, the additive package caused problems with corrosion-prone solder in a relatively small number of GM's transmission fluid coolers. [16]

7. Shell Rotella - Wikipedia

   en.wikipedia.org/wiki/Shell_Rotella

   The line includes engine oils, gear oils and coolants. The oil carries both the American Petroleum Institute (API) diesel "C" rating as well as the API gasoline engine "S" rating. Ratings differ based on the oil. Rotella oils, like the T3 15W-40, meet both the API CJ-4 and SM specifications, and may be used in both gasoline and diesel engines.