Rulemaking Factsheet: On-Road Mobile Source Emissions Measure
This factsheet summarizes the final rule for the measurement of total emissions reduction of on-road mobile source emissions through the Congestion Mitigation and Air Quality Improvement (CMAQ) Program. State DOTs whose geographic boundaries include any part of a nonattainment or maintenance area for ozone, carbon monoxide, or particulate matter will establish separate targets for each of these applicable criteria pollutants and precursors. The measure does not apply to a State that does not have any of these nonattainment or maintenance areas.
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