13 marzo 2015
Motor oil contains chemical additives that extend how long engines can run without failure, but, despite decades of ubiquity, how such additives actually work to prevent this damage have remained a mystery. Now, engineers and ExxonMobil have teamed up to answer this question.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/B8rDdVYYs5A/150313130937.htm
