Oil change advice has not kept pace with how quickly engines and lubricants have evolved, and outdated rules of thumb can quietly cost drivers money or shorten engine life. I want to cut through the ...

With so many available motor oil brands and several labels like "synthetic blend," "full synthetic," or "conventional," the process of choosing one for your car has now become somewhat tedious. It ...

You're staring down two shiny jugs at the auto parts aisle. One says semi‑synthetic, the other full synthetic, and you're thinking maybe they're basically the same, right? Maybe that's just a ...

Once upon a time, synthetic engine lubricants were considered exotic and used in only the most rarified performance engines. In fact, one of the companies discussed here, AMSOIL, was the first company ...