SIP Proposal: Pennsylvania (revisions to attainment plan for the Indiana, Pennsylvania 2010 one-hour sulfur dioxide nonattainment area). 

SIP Proposal: Connecticut (removal of State Order Nos. 7002B and 2087 and addition of Consent Order No. 8381). 

FWS initiated five-year status reviews under the ESA for 59 animal and plant species.

FERC proposed to amend regulations to clarify that for all proceedings before the Commission that require a water quality certification pursuant to §401(a)(1) of the CWA, the reasonable period of time during which the certifying authority may act on the water quality certification request is one year from the certifying authority’s receipt of the request.

FWS determined endangered species status under the ESA for the Guadalupe fatmucket, Texas fatmucket, Guadalupe orb, Texas pimpleback, Balcones spike, and false spike, determined threatened species status for the Texas fawnsfoot, and designated approximately 1,577.5 river miles in total as critical habitat for the seven species of freshwater mussels in central Texas. 

SIP Approval: Kentucky (revisions to geographical boundary description and attainment status designation for the Henderson-Webster 2010 primary sulfur dioxide nonattainment area). 

SIP Proposal: Georgia (regional haze). 

SIP Proposal: District of Columbia, Maryland, and Virginia (revisions to motor vehicle emissions budgets and onroad and nonroad mobile emissions for volatile organic compounds and nitrogen oxides for years 2025 and 2030). 

SIP Proposal: Nebraska (miscellaneous changes). 

The Internal Revenue Service proposed regulations relating to the clean electricity production credit and the clean electricity investment credit established by the Inflation Reduction Act of 2022 to provide rules for determining greenhouse gas emissions rates resulting from the production of electricity; petitioning for provisional emissions rates; and determining eligibility for these credits in various circumstances.