I went there. No, really, I went there. The BBC reports on the way chemists will use urine as fuel:
Dr Tao said: “Growing up in rural eastern China I was aware of the use of urea as an agricultural fertiliser. When I became a chemist and was looking at fuel cell development, I thought of using it in the process.
“We are only at prototype stage at present, but if this renewable material can be used as a commercially viable and environmentally-friendly energy source, then we will be absolutely delighted, and many people around the world will benefit.”