Engine oil is the lifeblood of an engine, directly influencing its longevity, efficiency, and performance. Yet many drivers remain unsure about what those numbers and letters—like 0W-20 or API ...

Did you know we have new motor oil now? The change isn't as significant as the switch from conventional to synthetic was, but ...

Add Yahoo as a preferred source to see more of our stories on Google. As engine standards change, the oil that protects them has to change too — especially for drivers buying new trucks in the next ...

Heavy-duty engine oil marketers can begin finalizing formulations and preparing product packaging to meet the new oil specifications ahead of the January 1 licensing date.