HHO and you! Answered
Ok, so hho has become the new fad in the mpg race, but is it really effective? Conservation of energy dictates that the energy required to separate water in to its base components is equal or greater to the energy released during its reconstitution. The key to making HHO a viable source of additional fuel would be utilizing the waste heat from the engine to provide the electricity needed.
TEG's + exhaust manifold + water = ?