make any car run on water, anyone think it will work? Options

[rocky2006]

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[orvillescelica]

i dont know if you read the pdf, but i just browsed threw it quickly. In a nut shell, their idea is to electrolize water into oxygen and hydrogen, combust the hydrogen at pressure in your cylinders, and there you go.

Heres why i dont think this will work:
1) Have you ever seen a balloon of hydrogen explode? That explosion is how much energy is given off when you combine hydrogen and oxygen to make water. To go in reverse, you need even more energy. So if you want to take water, turn it into gaseous hydrogen, then combust the hydrogen in oxygen to make water again, you will be expending more energy then you get.

2) The energy of hydrogen gas is about 141 kJ/g, Gasoline has about 448 kJ/g. So (wave hand approx) you need 4 times the volume of hydrogen per combusition to get the same amount of power as your gas engine. This for the same amount of miles you get out of your car now, you would have to carry a GIANT tank of hydrogen. And since hydrogen is very hard to store under high pressure... your car is going to have to be giant tank of hydrogen on wheels.