Discover the power of hydraulics in converting input energy into mechanical power with R. Vasudevan's expertise.

Better designed oil filters and less frequent oil changes are two ways to reduce the health and environmental threats of used motor oil, according to a new study published in the Jan. 15 issue of ...

Used motor oil comes with somewhere between 5 and 7 percent water in it. The first thing you have to do is get the water out of it. ... hydraulic fluid, heavy-duty motor oil.