It shouldn't mess with catalytic converters. I think it's the actual membrane that suffers not the catalyst. Green energy is retarded and a talking point of people who don't know the technology. It's alternative energy not green energy.
Ah! Ok. Maybe it's turning into sulphuric acid somehow. I know CO2 can turn into carbolic acid in contact with water.
That's definitely a possibility. The membranes are usually like nafion. So, the addition of a strong acid may remove functional groups.
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