Rust forming inside steel saddle tanks might be caused by ultra-low-sulfur diesel fuel, some maintenance people believe. This rusty tank was on a Ford truck operating in northern Georgia. (Photo by ...

Dear Tom and Ray: You recently answered a question about whether it's harmful to let your gas tank run down to empty. You said it's not harmful to the car, and it won't cause any damage. Eric Peters, ...

If you have something rusty, you can get a wire brush and a lot of elbow grease. Or you can let electricity do the work for you in an electrolysis tank. [Miller’s Planet] shows you how to build such a ...