This other Engineering Explained video has some great demonstrations of the differences in synthetic and conventional oils: <br _moz_dirty="" /> The big takeaway is synthetic oil does its jo ...

this variety of oil is from a crude oil base. The difference between synthetic and conventional oil lies predominantly in the level of refinement they go through. Synthetic oil goes through a ...

(Older cars are more likely to call for conventional oil and synthetic blends.) Any motor oil will do the job, but some types are better than others under certain conditions. “The big difference ...

Using the right oil can make a noticeable difference in your vehicle's mileage ... reducing the energy needed for pumping ...

If your mechanic recommends a high-mileage motor oil, how do you know when it's worth it to upgrade? And what are the pros ...

Besides using different fuels, what separates diesel engines from conventional ... their oil has a greater concentration of the relevant additives to prevent issues. Another difference is how ...