今年六月才有說三年內可推出市面: 見Scientists develop flush-efficient toilet system that can turn waste into energy, sort before it recycles
現在已說窮國學生廉價可以製造: 見Urine-powered generator produces six hours of electricity per bathroom break
技術需然不同, 總之是對全球衞生及能源都有助益!
(幾時我家浴室的熱水爐, 抽氣扇, 燈光都可用廁所發電??)
