If you've ever been to a state or national park, you've probably used a vault toilet. It's a waterless toilet system for ...

When was the last time you talked about toilets — really talked about them? We all use them every day, but it doesn’t exactly ...

Having conquered its home market, the Japanese toilet-maker Toto is selling more bidets in the United States. Toto’s president says not even tariffs will halt its advance.