How often do you think about motor oil? The average person probably thinks about their car’s oil only a few times a year, when the “change oil” light lights up on their dashboard. Even in these cases when it is thought about, and the decision is made to buy motor oil, most of us ask one question: “Where can I get motor oil cheap?” We hardly think about the different motor oil types, let alone American Petroleum Institute (API) standards, motor oil manufacturers, or the best motor oil for your car. So it should not be surprising that there are…