The only way to save money on gasoline for the regular car engine or a diesel engine, you should opt for the HHO fuel is without doubt the most effective way to solve the problem. Using water diesel, you car mileage would get doubled. Not only that, the HHO diesel is also very easy to make. HHO is a type of gas and has been used in various other processes as well. It is made through a process known as electrolysis, whereby oxygen and hydrogen = Read More =