(1) An SAE-5W/20 lubricant (with a HTHS viscosity of 2.9 mPa.s) gave the following fuel
consumption savings in a field trial in Germany. Figure 15 shows the results
2 An independent test laboratory showed that the same lubricant gave a power advantage
over other lubricants tested (this is another indication that the engine friction is lower).
Figure 16 shows the results.