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Even pure liquid hydrogen would need almost 4 times the volume to equal the energy content of an equivalent volume of gasoline at room temperature.
I spent a day with two gents who were trying to sell HHO systems in eastern Va. It was before I joined this forum and I had a Del Sol that averaged about 43 MPG for me. I was showing them around the area where I have lived most of my life.
When they told me how much I could increase my mileage with an HHO system, my response was "why not just make it totally HHO powered". They said "it doesn't work like that". My mind immedaitely realized they were actually saying "it doesn't work".
Virginia had passed laws that required any HHO systems to pass the same emissions testing that was required of the same car without an HHO system. I did a little research and when I found the actual energy content of a liter of HHO, which is 14/16ths oxygen I realized that the 1.5 wooden matches per liter of HHO equivalent was the best way to explain it to people like me who do not have the educational background to understand the obvious.
The two gents were focusing on diesel truckers, who if they understood diesel engines would accomplish more by having their injectors tested and brought to specs as most of them slowly loose breakoff pressure as they age, from 1800 PSI to 1400 and even lower (based on my Mercedes experience). This pressure drop causes poor atomization and the clouds of smoke you see from some diesels.
Alternators do not produce "free" energy and anyone who thinks they do is not even trying to understand Carnots Law. Adding loads to your alternator means more fuel consumed, with that single conversion efficiency at less than 34% tops, more like half that for the average vehicle. All the rest of the "tweaks" to "fool" your engine into running leaner are just more attempts to justify what is simply not possible, since every time you convert energy into useful work you loose some of that energy.
Just figure out how to make your engine run "lean burn" if you want to, like pgfpro is doing (and my hat is off to him for his fabulous work) and forget about HHO, which is 80% oxygen (by atomic wieght) and if you don't understand that oxygen is not a fuel and has no energy content then more discussion is a total waste of time and intelligence.
Do the research, come back with a realistic rational description of a system that passes all of the tests and I would be one of the first to install that sytem, but if you do I want to run on 100% hydrogen, but the fuel tank would be larger than a tanker truck unless the hydrogen was liquid.
40 years ago they built liquified natural gas carriers and Newport News shipyard. There was an article in Argosy magazine that discussed the hypothetical ship to ship collision in New York harbor where the cryogenic tanks in the LNG carrier were ruptured. The fireball would be stupendous. After that article the insurance carriers refused to insure the LNG carriers under any circumstances and they were mothballed.
regards
Mech
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