I was replying to a commenter who said that the "governments" addition of these regulations as made things worse. I was highlighting ways in which these regula

I was replying to a commenter who said that the "governments" addition of these regulations as made things worse. I was highlighting ways in which these regulations have made our lives better. Answering your question, I agree. If we were to defeat those things that make modern diesels better as the parent commenter is suggesting, it would make the air worse.