The Clean Air Act is one of those laws that people either love or hate.
No matter what side of that emotional spectrum people fall on, there’s no denying its overarching role in American society. The Clean Air Act was originally passed by the U.S. Congress in 1963, with an incredibly broad agenda:
to protect and enhance the quality of the nation’s air resources so as to promote the public health and welfare;
to initiate and accelerate a national research and development program to...