Making gasoline out of goat piss

That was a line from the Blues Brothers flick.  It was probably meant as a joke, but you can really do that if you have enough energy.

However, these people say that you can make gasoline out of water.  Sure.  You can also make ammonia out of water and air.

Ammonia is combustible as well, and can be transported as a hydrogen fuel carrier for hydrogen fuel cells.

At any rate, the energy input is nuclear, and here's another approach to nuclear in this article.