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Day: September 14, 2018
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
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 ›