What happened is the technology never existed, it was a hoax.Quote from sharkbites:
I wonder whatever happened to this technology?. Running on water only, less than 25 gallons to drive from west to east coast, as shown on Channel 6 Action News.
Water Powered Car
http://www.waterfuelcell.org/WFCprojects/Video/NewsReport.wmv
http://www.nuenergy.org/video/meyer2.wmv
http://en.wikipedia.org/wiki/Stanley_Meyer
An Ohio court found Stanley Meyer guilty of "gross and egregious fraud" in a case brought against him by disgruntled investors. The court decided that the centerpiece of the car, his water fuel cell, was a conventional electrolysis device, and he was ordered to repay the investors $25,000.