After more than a year of staying at home, avoiding crowds and other Covid-19 precautions, many Americans are looking forward to a summer of festivals, concerts, road races and other large events.

Danny Hutson jumps down from the cab of his truck, grabs a giant yellow and black hose, and gets ready to deal with a familiar smell: human waste and disinfectant. He gives a quick warning: "If you ...

Planning an event involves a long list of logistical hurdles, but few are as critical to the comfort of your attendees as toilet facilities. If people cannot find a clean place to go, they will leave ...