Emissions will stress lubes

Emissions will stress lubes Although engine makers have yet to finalize designs, the 2002 emission levels for heavy-duty diesel engines will undoubtedly place increased stress on engine lubricants, according to a senior technical expert at ExxonMobil. Speaking at the Great American Trucking Show in Dallas, Michael Ragomo said the lubricant industry is working under the assumption that those engines will use exhaust-gas recirculation (EGR) systems. The proposed oil specifications for those engines, known as PC9, call for increased dispersency, higher total base numbers, better antioxidation control and new anti-wear strategies. Ragomo, whose formal title is product adviser for ...

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From the Print Issue

October 2009

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