However, as one mechanic will tell you, there’s one car part you should never, ever use WD-40 on. The advice comes from creator Scotty Kilmer (@scottymechanic.us). His Sept. 3 video has gotten more ...

A can of WD-40 sitting on a work table - Benedek Alpar/Shutterstock WD-40 is a product that you're likely to find in most households. There are a lot of genius tips for using WD-40 at home — it's ...

We may receive a commission on purchases made from links. Let's say you've got an old nut stuck completely flush to an equally old bolt. It's really screwed on there, to the point that neither hand ...

The year is 1953. Rocket Chemical, a struggling company in San Diego, sets out to create a rust-preventive solvent that can displace water. On the 40th attempt (note: 39 failures), they nailed it.