Synthetic motor oil lasts longer and protects engines better than conventional oil, and here's the science behind whether to use synthetic oil in an older car.

Every engine requires oil to function, though oil itself has changed a lot over the decades. It's no longer a bad idea to use synthetic oil in an older engine.

Synthetic oil is the go-to for lots of car guys these days, but what’s the big deal about it? If you’re a dude who loves his ride and wants to keep it purring like a kitten, you gotta know the ins an ...