Probably not very fast. There isn't as much energy per drop in water as there is in Gas or Ethanol. You would also need a bigger tank for the water... a much bigger tank. The best way to run on "water" would be a car powered by Hydrogen Cells. The exhaust byproduct is water. -Antwan L.
either i am missing something or he forgot to add that he is using electricity with water to creat that flame. so its not just water.
Well water is a continuously renewable cycle, and 2/3 of the planet is water anyhow. And mabye when the polar icecaps melt, well drive our cars so we wont flood [/sarcasm]