Contaminated Refrigerant Issue

[TobyU]

Heh - you think this is bad. While browsing around I found that Mercedes was switching to R-744 (which is pure CO2) as a refrigerant! Crazy high pressure 1450psi system - can't believe they're getting this nuts with A/C...
https://www.caranddriver.com/news/a...-debut-air-conditioning-with-co2-refrigerant/

Yes!! They are getting ridiculous for simple ac!!!