emissions
Every record this desk has filed under emissions, newest first, each with the number of sources it can still show you.
EPA approves Maricopa vehicle emissions credits for use as stationary-source offsets
EPA has approved a Maricopa County program that can generate emissions credits from voluntary reductions by on-road vehicle fleets. Those credits are intended to offset increases at major stationary sources under a permitting program. The federal rule takes effect December 7, 2026; an opposing commenter disputed whether the credits meet legal requirements.
Also filed underair-qualitymaricopa-countyepafederal-register
A record appears here because it carries emissions in its own tags. If a record you expected is missing, it was filed under a different subject — the full list is on the topics index.