, Bass wrote

Color me a sceptic, but isn't piss like 95% water? The remaining substance (urea?) must be some really powerful energy source.

the headline is an attention grabber ....

it coud also be "water makes electricity"   as reading the story it's saying they are getting the hydrogen -  and that will burn to run an engine....

normally the cost of that has not made it worth while so far but ....