While we normally think of engine oil as a closed-loop system, the reality is that oil picks up particles and contaminants all the time. There's a reason why engine oil turns black over time, after ...

The internal combustion engines that power most of our vehicles depend on a steady supply of engine oil for lubrication and friction reduction. This fluid comes in various different viscosities or ...

Want to start saving some money by changing your own oil? Most vehicles can have their oil changed from the comforts of your garage or driveway with a little bit time and labor. Some of the tools ...