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Are some motor oils produced from better raw material?

material motor Oils produced raw
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Are some motor oils produced from better raw material?

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Not necessarily. High quality mineral oils can be produced from petroleum feedstocks by a number of different refining processes. Motor oil manufacturers carefully select additives that will provide the desired performance according to the base oil used. Engine oil formulations must complete rigorous testing to obtain an American Petroleum Institute (API) license. Always look for the API “donut” and “starburst” on quart containers of motor oils. These symbols mean you are buying motor oils that meet the requirements set by the API.

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