Quote:
Originally Posted by Mustang Dave
If HHO generators REALLY improved fuel economy, wouldn't the "Big 3" be installing them on their vehicles to meet and/or beat CAFE standards?
IMBFOS, but from my point of view, HHO is SNAKE OIL!
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HHO as water injection both reduce engine wearing.
80% of the gasoline is wasted as partially burned and it gets recycled in the PCV and absorbed by oil. Some sticks to the cylinders.
All this crap shorten the life of your engine. HHO and water injection keep it clean so probably it would last much more.
I understand instead that using HHO is difficult.
1. where do you inject it? If you inject it in the air intake you might risk that some of it gets also in the driver cabin. Not good (explosions and OH- radicals).
2. you have to drastically change the ECU since right now it works at stoichiometric in closed loop while when you produce more O2 you cannot do that (the mix is already very clean before the cat). So everything must be re-engineered.
Instead they give you hybrids with 2 engines increasing the probability of failures. Don't get me wrong I love the idea to recover the energy lost in the negative inertial variations.