A salt water powered car? Seems like science fiction, but read on:
This car uses a electrolyte flow cell power system that is newly certified for use on Europe’s roads. They call it, the Quant e-Sportlimousine, made its debut in the 2014 Geneva motor show. Not only does it run on salt water, which is freakin’ incredible in and of itself, but it’s said to be able to top 217 miles per hour.
For the rest of the story: http://www.idealistrevolution.org/salt-water-powered-car-gets-the-go-ahead-in-europe/