then click on innovations. read what they have posted.
The reason you don't hear it is because the oil companies want to mas market the cheapest oil they can. If they told you that their oil ate horsepower would you buy it?
Beware of oil companies that labor over base oils. Everyone can get the sames base oils. The difference in oils is in the additive packages. I don't count group III base oils as synthetic, even though SCOTUS ruled that it is. Just shows you how ignorant SCOTUS is.
