THE PETROLEUM QUALITY INSTITUTE OF AMERICA​

The independent resource for information and insights on the quality and integrity of lubricants in the marketplace

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THE PETROLEUM QUALITY INSTITUTE OF AMERICA​

The independent resource for information and insights on the quality and integrity of lubricants in the marketplace

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Day: September 14, 2018

Results for a Fourth Group of 15W-40s are in

The results are in on four more heavy duty diesel engine oils, and the tests conducted on the samples meet the SAE J300 specifications for

Mining the Minds in the Lubricants Industry

The Petroleum Quality Institute of America receives emails and phone calls nearly every day from consumers, marketers, blenders, and a number of others with questions about lubricant quality, performance, and other lubricant related issues on their minds. Whereas PQIA makes every effort to answer these questions, we take a pass on some because they are… Read More ›