CAR FUEL PRICES GOING UP HERE IS A DIY GADGET FROM USA THAT ALONG WITH YOUR DEISEL OR PETROL WILL GIVE YOU 50% FUEL SAVINGS BY RUNNING YOUR CAR ON WATER AS WELL .WILL MAKE YOUR CAR MORE FUEL EFFICIENT EASY TO MAKE AND INSTALL FULL INSTRUCTIONS GIVEN ON CD WILL NOT DAMAGE CAR AND WILL BOOST ENGINE PERFORMANCE BUT MOST IMPORTANT WILL SAVE YOU MONEY. YES IT DOES WORK BY USING BATTERY TO TURN WATER INTO GAS HHO THIS IS MUCH MORE POTENT THAN PETROL. THIS IS A FAST GROWING TREND FOR BOOSTING PERFORMANCE AND MILEAGE POST FREE £25.