United States v. River City Diesel LLC, No. 1:22-cv-01289-JES-JEH (C.D. Ill. Mar. 31, 2023). Settling CAA defendants must perform injunctive relief and pay a civil penalty of $600,000 in connection with alleged violations related to the manufacture, sale, and installation of aftermarket products for motor vehicles or motor vehicle engines, and for tampering with motor vehicles and motor vehicle engines.

SIP Proposal: Tennessee (partial approval and partial disapproval of revisions concerning excess emissions during startup, shutdown, and malfunction events).

FWS designated approximately 524 river miles in Mississippi as critical habitat for the pearl darter under the ESA.

SIP Approval: Iowa (revisions requiring electronic submittal of air emissions reporting, construction permit applications, and Title V permit applications). 

The National Nanotechnology Coordination Office seeks public input in updating the National Nanotechnology Initiative Environmental, Health, and Safety Research Strategy.

EPA entered into a proposed consent decree under the CAA in Center for Biological Diversity v. Regan, No. 3:22-cv-03309-RS (N.D. Cal.), that would establish deadlines for the Agency to take action in connection with its alleged failure to perform certain non-discretionary duties in accordance with the Act to timely respond to SIP submissions from North Dakota, California, Colorado, and Pennsylvania, and to promulgate a federal implementation plan for California and New Hampshire.

SIP Proposal: California (partial approval and partial disapproval of revisions concerning reasonably available control technology requirements and negative declarations for the 2008 eight-hour ozone NAAQS in the Sacramento Metropolitan nonattainment area).

EPA proposed to revise the Consumer Confidence Report Rule in accordance with America's Water Infrastructure Act and to require reporting of compliance monitoring data to the Agency.

FWS introduced the Guam kingfisher on Palmyra Atoll as a nonessential experimental population under the ESA.

EPA entered into a proposed consent decree under the CAA in Citizens for Clean Air v. Regan, No. 2:22-cv-01382-RSL (W.D. Wa.), that would establish a deadline for the Agency to take action in connection with its alleged failure to perform non-discretionary duties mandated by the Act to take final action on a nonattainment SIP submission made by Alaska regarding the 2006 24-hour fine particulate matter NAAQS for the Fairbanks North Star Borough area.