Helping to fuel my friend’s car

I was at my friend’s house the other day, and he was installing something very strange in his car.  He claimed it was a water fuel cell.  I didn’t believe at first but then he showed me a spare book he bought from the Internet water for gas And then it all started to make sense.  Basically it’s a water fuel cell that you can install on your car and about an hour.  And this will give you a least a doubling in mpg. The water is broke and down by passing electricity threat.  This generates the gaps, which is fed into your engine and helps fuel it.