Let's face it, most engine additives don't really improve performances. If you want to try one that does, here's what you should pick.

We may receive a commission on purchases made from links. There are dozens of things vehicle owners can do for engine care. But for many, extending an engine's life can entail more than just proper ...

We’ve all been there: you’re staring at a long list of engine treatments and additives […] ...

Drivers reach for gas additives with the hope of squeezing more life, efficiency, or power out of an engine. The pitch sounds simple: pour in a small bottle, drive, and let chemistry work things out.