After spending a lot of time last night reading up on this, it seems that HHO system is pretty much hogwash.
It seems Water/Meth injection even on a naturally aspirated would net the best gains, however, you would have to tune for the WMI.

 

A buddy of mine who used to be a tech for me when I had my networking business built one and installed it in his Nissan Pathfinder probably about 6 years ago. Still uses it and swears it's has steadily increased his fuel economy from 19 to 23 mpg.

He's the geeky, nerdy type and isn't prone to stretching the truth, so I'd tend to believe it...

 

Search for Brown's gas. That is the theoretical basis for the generators.

 

2 years ago i built a hydrogen generator in hopes of getting it under the hood of my truck.after playing with it and creating many massive explosions using soap bubbles and balloons,i decided not to put a bomb in my truck.i found out that hydrogen is a gas you dont want to play with although it is very easy to produce.if it could be produced and stored safely by the average joe then things would be cool.using an on demand unit is a recipe for disaster.

 

Physics states energy cannot be created nor destroyed.

This system takes energy from the battery to create hydrogen which is burned by the engine.

However, the engine must work harder to turn the alternator which has to generate more current to replace the energy taken from the battery to make the hydrogen.

So, unless I'm missing something here, where does that extra energy come from?

 

Here????

 

Not as long as the oil companies have anything to say about it. I beleive all the oil companies use their money to supress such technology as much as they can.

 

Drink just one can of this stuff and you`ll look like this guy >>>>>>

 

I had one i made on my 06 5.9cdl and noticed a 1-3mpg increase in mileage and a 200 degree drop in egt temps when it was working right. the reason you can get a net energy gain from it in my understanding was that it is being used as a catalyst to help burn the fuel more efficiently. i couldn't get it to work long term though due to calcification or other stupid issues. On a gas vehicle you enter into a world of problems with the 02 sensors and reprogramming the vehicle to use less fuel, if you just slap one on your truck without adjusting the programming you will see a drop in mileage as your computer will think the vehicle is running too lean and dump more fuel in.

just m 2 cents

 

Remember the Hindenberg?

Since hydrogen is lighter than air all the vapors go up and burn, not like gas which is liguid and pours and burns generally engulfing what is near it.

Years ago saw some tests done with hydrogen fueled vehicles, they used heavy tanks similar to propane tanks to hold it, refueling took a long time but the vehicle did run smoother and did get better mileage than gas but not by much. At the time gas was about 70 cents a gallon and hydrogen would have cost twice that so it was not cost effective.

Hydrogen on demand is what we are trying to achieve with these new cells and from what I can see (from unconfirmed tests) can help increase mpg and power. So maybe hope for the future.

Stan Meyers was another person experimenting with on demand hydrogen and had some pretty interesting results, I see a lot of experimenters adapting his methods so he may have been on to something.

It would be nice to burn hydrogen, the by product out the tail pipe is water vapor and a small amount of nitrous oxide. This might have added benefits, might help reduce road rage.