Quote:
Originally Posted by Ecky
The issue with on-the-fly generation is this: Let's say you have a 100w HHO generator. At 20% cracking to combustion efficiency, you're looking at getting 20w of hydrogen out of it. If you're cruising on the highway using 20hp, that works out to around 15000w of energy from gasoline to the wheels. A 100w HHO generator run off a battery thusly should cut around 0.1% fuel consumption. Increase it to 1000w and you're getting 1%.
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This all seems solid, but still leaves the question of how the studies I mentioned came to their conclusions using similar methods. Particularly in the first paper, where the HHO generator was of an (albeit optimized to the particular engine) dry-cell plate design and managed to reduce fuel consumption by 34%
while connected to the alternator.
Alas, I don't think this will be settled without experimentation.