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 ...

Add Yahoo as a preferred source to see more of our stories on Google. When you gotta go, you gotta go–even at 30,000 feet. The alarming noise ensues when you press the “flush” button in an airplane ...

Air India has in recent months experienced recurrent disruptions of flights on its international routes due to the overflow of lavatories. The problem has attracted a lot of concern, with many raising ...

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CR's buying guide for toilets includes explanations of types, features, and other must-know topics to help you make an ...