It uses electricity generated by the alternator to break water down to it gaseous form HHO and injects it into the intake air stream. There is more energy in Hydrogen than in gasoline plus the added oxygen makes the whole process more efficient. They claim increased fuel mileage of 30% on average. The feds offer a tax credit on your income tax too. If it works as advertised the payback will be just a few months.
I put one on my credit card so if it turns out to be snake oil I have some recourse. If it works as advertised I'll buy a distributorship and start selling them. There be a whole LOT of cars & people who could use a 30% savings on their gas bill.
This video is about the product.
