I wouldn’t upgrade, I’d just shut them down. Welcome to the third world.
Alternately, I’d tell the USEPA to go pound sand, arm up, and challenge them to MAKE me upgrade.
If the EPA sends inspectors, put them in jail
Has anyone from the east coast been out to the west lately? What pollution, you inner-city-hazed morons? You can see for miles and miles on ANY day. This EPA stuff is utter bullcr*p. It is like when I was a kid and some self-promoting french clod named Jacques Cousteau taught us from his documentaries that the oceans are filled with plastic and assorted pollutants. They aren’t.