Rustproofing cars used to be big business, but automakers upped their games and the rustproofing industry dwindled. Is rustproofing still worth it today?

I just bought a new car and declined the dealer's offer to arrange for rust proofing. In the past I had used dripless oil spraying on my vehicles. This had to be re-done every year or so.

Not all rust-proofing methods are the same, and prices vary from about $100 to more than $1,000. The key to avoiding a scam is to understand your options and to ensure you are getting a fair price.

Posted: December 3, 2008: Nanotechnology rust-proofing - without chromium (Nanowerk News) For a long time, chromium plating protected car bodies against rust – but this has been prohibited since ...

He says rust-proofing can prevent a variety of repairs, such as fuel line corrosion—which can cost $1,000 to fix. So which type of rust-proof­ing should you go for? That’s easy, says Robinson.

With most automakers providing longer metal corrosion warranties at no extra cost, rust-proofing firms have taken a hit in business. But some of that is offset by the fact that we’re simply ...

Rust is the result of a chemical reaction between iron (used in the steel to make vehicles), water, and oxygen, and it can begin as soon as a drop of water hits your car's bare metal.