The size of the car puts the lie to their claims.
If it runs on water that is essentially free and nonpolluting, why is the car built so small? Just put a water tank on the back of a F350 or condense the exhausted water vapor back into the “fuel” tank and drive to your heart’s desire.
To keep the cost of the vehicle down, probably. They adapted an existing system designed for residential use, that costs over $18,000.00 at current levels of production. They say they think it can be mass produced for $5,000.00.