According to AAA, most automakers now recommend oil change intervals between 5,000 and 7,500 miles for vehicles using conventional oil. If your car requires full-synthetic motor oil, that range ...

Besides using different fuels, what separates diesel engines from conventional engines ... the temperature of the engine in which they are operating. Diesel engine oil typically possesses a ...

There are a handful of small, yet key differences between diesel engine oil and conventional/synthetic oil, and could make ...