Low Viscosity Engine Oils

Dear colleagues,

Low viscosity engine oils penetration into the market seems to be an unstoppable effect of increasing fuel economy mandates for both passenger cars and heavy-duty engines. Great efforts have been directed toward the development of lubricants in order to reach fuel economy levels and, furthermore, to avoid penalization in other related aspects such as oil drain period, wear protection, sludge protection, engine cleanliness, and so on. What can be expected in the next years for the new low viscosity engine formulations?

From the point of view of end-users, concerns about the mid and long-term protective capability of such “thinner” oil, values of fuel economy in real service or if fuel economy savings can be maintained in the long-term are concerns still being raised by fleet managers.

This Special Issue will focus on current advances and futures trends in low viscosity engine oils. Research articles dedicated to performance assessment from different points of view, including engine test bed, road test or simulation test, oil development in terms of base rheology improvements or additive packages, friction coefficient improvement on boundary, and mixed lubrication regimes, as well as the resulting engine wear behavior or oil degradation will be of great interest. Contributions from both academic and industrial research are warmly welcome.

Guest Editor

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