> In the 60s you couldn’t see the mountains from Mountain View.
Do you think sub-zero windshield wiper fluid banning did that, or catalytic converters and efficient engine management? Hint: it was the latter.
Do you think sub-zero windshield wiper fluid banning did that, or catalytic converters and efficient engine management? Hint: it was the latter.
But that witches’ brew of smog was (is) a mixture of all sorts of volatiles from many sources (e.g. paint shops and factories).
There’s by definition no one solution to diffuse fugitive emissions, and I’m glad the various AQMDs and CARB are working on it. I’m also glad they are organized in a decentralized fashion, so that different districts can have different rules and programs.
Oh and the ECUs (and their O2 sensors) came in after a lot of the work had been accomplished back in the carburetor days, but things are a lot cleaner today because they continued.