... everything is transformed.
There is already
urea used in the modern engines. Known for several years for trucks and buses, but most certainly used in private car in a few years' time, now comes
methane made from excrements and waste.
Which could give some guidelines for reflection:
1- Think how many miles/kilometers you could have travel with what you get rid of the next time you flush the toilet (and remember that
cell phones can use it too)
2- Will "pee and poo(p)" cars be more or less easily accepted than Diesel ones?
Some "historical precedents":
(This one without the "human filter", but it well known that a human subject in normal health can also produce a lot of "fuel" after drinking several beers )
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