-Get a steel frame.
-Get a water purifier electronic device. They are pretty easy to make.
-Get a battery and a solar panel.
-Make a 1 tle vehicle.
-Mount the purifier.
-Install the battery
-Way more water than you wll ever need. a Second frame, a funnel, and a dirty and clean water tank to make the process so painless the only way it could be easier is if you installed it onto you car or you could make intraveneous drips of water.