Water is easy enough to obtain, and although you will have to do some modifications by making a trip to the hardware store as well as purchasing a conversion kit, it is by far more inexpensive compared to the total amount you pay for in a gasoline station.Second is due to the improved gas mileage. There are those who tried the water-fuel technology and testified at least 30% of fuel efficiency, which is good both for the life of your car and the health of your pockets.Third is an environmental concern, which proposes that having the vehicles run with water for gas emits lesser chemical content as compared to petroleum-based exhaust. Water is definitely easier to obtain than petroleum, and its components are at the same time friendlier. So, whether this is a scam or not, a lot of people are trying it out and seeing the results for themselves.