We have all seen the commercials. A guy walks into a junkyard and finds a weathered-looking car with severely faded paint, and with one swipe of the “miracle” product, it suddenly looks factory-new ...

After you've spent a day washing and waxing your pride and joy, you look forward to giving it that final stroke: when you run your hand across the freshly waxed paint, just to feel how smooth it is.

People who love cars often like to tinker with them on the weekends. In the past, this might have meant adjusting your carburetor, replacing belts and spark plugs, changing the oil or even performing ...