TOKYO (Reuters) - Enter the Neo. Part motorcycle and part toilet, it runs on eco-friendly biogas produced from sewage -- and recently completed a journey of more than 1,000 km (600 miles) across Japan ...
What if someone decided to clean up Nairobi’s slums and dispense with what locals call the “flying toilet,” a plastic bag of feces thrown into the choked, filthy gutters? And what if that someone ...