Nobody heard of the water car again, except that we did, and it was shit. It was (is) called the Quant, the technology is called nanoFLOWCELL and it's not commercially viable at this time.
https://www.dezeen.com/2014/09/16/salt-water-powered-electric-car-nanoflowcell-europe-approval/
Salt water-powered electric car prototype approved for roads in Europe
A company that claims to have developed the first electric car powered by salt water says it has now been approved for testing on public roads in the EU.
https://www.dezeen.com/2014/09/16/salt-water-powered-electric-car-nanoflowcell-europe-approval/
