The foot-flushing trailer from Tow-Let Manufacturing includes urinal, hand-wash sink, soap, towel and tissue dispensers and six-bulb LED solar-powered interior and exterior lighting. Mounted on a DOT trailer, the PolyJohn restroom, available in an assortment of colors, has 55-gallon waste and 27-gallon freshwater tanks. Each flush uses about 2 pints of water (about 100 flushes per fill). The lockable rear-mounted storage box includes pump, charging system, hose and room for supplies. 712/623-4007; www.tow-let.com.