Your father or grandfather might have told you to change your oil every 3,000 miles. But that once-standard advice might be a bit outdated. Motor oils have changed and so have many of the ...

Synthetic oil used to be something only performance cars needed, but not anymore. Now it’s the manufacturer-recommended engine lubricant in many mainstream vehicles, such as the Subaru Forester and ...

Whether you drive a highly-strung sports car, or a diesel pickup truck, your engine will require oil — it's the magical fluid that keeps everything cool and lubricated, enabling all moving components ...

Keeping up with oil changes is one of the simplest yet most crucial ways to extend your truck's life. Diesel engines, especially in hard-working semi-trucks, deal with massive loads and long hauls, so ...