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The world is being quietly rearranged by people who write very long documents.

Federal Register · December 16, 2024
The title they went with Air Quality Plans; Arizona; Maricopa County Air Quality Department; Source-Specific SIP Revision Noisy translates that to

Arizona county can now count old diesel truck replacements as new pollution cuts

What happened
US environmental regulators have approved a new way for Maricopa County, Arizona, to calculate air pollution reductions. The county can now count emissions cuts from replacing old diesel garbage trucks with newer ones as "offsets" against other pollution sources.
Why it matters
Air quality rules often require new projects to offset their pollution by reducing emissions elsewhere. This change means Maricopa County has a new, specific way to generate those offsets. It makes it easier for the county to approve new industrial projects without increasing overall air pollution.
The signal
Watch for new industrial permits in Maricopa County that cite these truck replacement offsets, and whether the county's overall air quality measurements improve or worsen.
If you insist
Read the original →