Cars, Smog, and EPA
Legal Planet
AUGUST 24, 2023
The initial standard, set in the 1970 Clean Air Act, was 3.1 Tier 3 standards were phased in starting with 2017 cars. trillion miles in 2022. (If As a result of the growth in vehicle use, the improvements in vehicle pollution control have not resulted in proportional improvements in air quality.
Let's personalize your content