2004 Air Pollution Pollution Control Technology 
Legal Planet
AUGUST 24, 2023
This is part of an occasional series of posts about the evolution of pollution standards. Today’s subject is pollution control for new vehicles, which have been known to cause smog since the 1960s. The history of these pollution standards is quite distinctive. Congress adjusted the standards twice.
Environment, Law, and History
AUGUST 27, 2023
Achieving that standard was thought to be nearly impossible when Congress created this mandate, but the mandate forced the car companies to make technological breakthroughs with catalytic converters. Note that the standard is set in terms of pollution per mile rather than pollution per gallon. gpm, effective in 1994.
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