Is there a water for gas hoax? No, and don’t you let anyone tell you there is!  There are many, many people who are now saving a lot of money on fuel because they are using water for gas technology.  Tell them there is a water for gas hoax and see what they say.  They will laugh their heads off!  Other than saving you big money at the gas pump, if you install a water for gas kit on your car or truck, your vehicle will have a lot more power and it will give off much cleaner emissions.