Discover how selecting the right engine oil enhances fuel efficiency and improves vehicle mileage with practical insights.

Have you ever browsed through the different motor oil options available at your local automotive parts store and been unsure which one you should choose? It’s an important choice to make.

CR’s experts explain how oil works, when to check oil, and what's the right oil to choose By Benjamin Preston If you’re the diligent type who checks your engine oil level at least once a month (as CR ...