EPA proposed to approve Virginia's negative declaration and request for EPA withdrawal of its CAA §§111(d) and 129 plan approval for HMIWI units; see above for direct final rule.

EPA proposed changes to the leak repair regulations for refrigeration and air-conditioning equipment that were promulgated in 1990 under CAA §608.

EPA proposed changes to the leak repair regulations for refrigeration and air-conditioning equipment that were promulgated in 1990 under CAA §608.

EPA proposed to issue a 90-day stay of the requirement for chemical manufacturing area sources to comply with the NESHAPs permit program; see above for direct final rule

EPA and the National Highway Traffic Safety Administration issued a supplemental notice of intent on their joint proposed rulemaking to reduce GHG emissions of light-duty vehicles for model years 2017-2025.

EPA seeks public comment on its decision to allow emergency stationary engines to operate for up to 15 hours per year.

FWS determined endangered status for seven Brazilian bird species and subspecies under the ESA.