Browse Publications Technical Papers 2007-01-4134
2007-10-29

Improved Friction Modifiers to Aid in Future Fuel Economy Targets 2007-01-4134

Requirements to improve vehicle fuel economy continue to increase, spurred on by agreements such as the Kyoto Protocol. Lubricants can play a role in aiding fuel economy, as evidenced by the rise in the number of engine oil specifications that require fuel economy improvements. Part of this improvement is due to achieving suitable viscometric properties in the lubricant, but additional improvements can be made using friction modifier (FM) compounds. The use of FMs in lubricants is not new, with traditional approaches being oleochemical-based derivatives such as glycerol mono-oleate and molybdenum-based compounds. However, to achieve even greater improvements, new new friction modifying compounds are needed to help deliver the full potential required from next generation lubricants. This work looks at the potential improvements available from new FM technology over and above the traditional FM compounds. This is explored from bench screening tests through to standard industry engine tests and quantifies the potential benefit that these compounds may have on improving vehicle fuel economy.

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