Thanks for weighing-in on the HHO hydrogen scams. With the recent spike in gasoline costs, these products are once again in the spotlight in the USA. The HHO "wunder product" was presented to me in an online Volvo owners' forum that I participate in. On the surface, it made no sense and I said so. The thermodynamics of hydrogen as a fuel are straightforward and generating it using the car's alternator is absurd.
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