A Japanese company has built an interesting car that uses only water for fuel. It is an electric vehicle with an onboard generator that extracts hydrogen from the water. I don't think it is another Brown's Gas system.
See the video here (after the lead-in commercial) http://www.reuters.com/news/video?videoId=84561
Their website
http://www.genepax.co.jp/en/energy/
See the video here (after the lead-in commercial) http://www.reuters.com/news/video?videoId=84561
Their website
http://www.genepax.co.jp/en/energy/