Air and climate
Air permits, emissions limits, greenhouse gas programs such as RGGI, and building performance rules. What changed, the rules that apply and the dates ahead for projects in New Jersey, New York, Connecticut and Pennsylvania.
Latest briefings
- MediumNew Jersey
New Jersey holds October 15 hearings on a tighter power plant carbon cap from 2027
A pending state proposal would align New Jersey’s carbon allowance program with the regional model rule from January 2027; comments close November 7, and a separate hearing addresses allowance prices and bills.
ProposedAir & climateEnergy & grid - MediumMiddlesex County, NJ
New Jersey weighs diesel generator permit for South Brunswick data center; comments now due November 9
A draft state air permit for twelve emergency diesel generators at a data center under construction on Route 1 drew a crowded hearing, a neighboring town's objection and a longer comment period.
ProposedData centersAir & climate - HighCumberland County, NJ
New Jersey fines Vineland data center $1.07 million for running 62 unpermitted gas generators
The state's largest penalty against a data center gives the developer 45 days to obtain air permits or stop running the generators, a warning for projects using on-site bridge power.
Rules 9
- New Jersey · N.J.S.A. 26:2C; N.J.A.C. 7:27-8, 7:27-22Air permits for generators and engines
- Federal · Clean Air Act § 107(d), 42 U.S.C. 7407(d); 91 Fed. Reg. 63516 (Oct. 6, 2026); Docket EPA-HQ-OAR-2024-0078Area designations under the 2024 annual fine-particle (PM2.5) standard
- Federal · 40 CFR 61.145Asbestos notice before demolition and renovation
- New Jersey · P.L. 2026, c.75 (S3379/A4096)Data centre energy and water reporting
- New Jersey · P.L. 2021, c. 171; N.J.S.A. 40:55D-66.18 to -66.21Electric vehicle make-ready parking for new development
- New Jersey · P.L. 2018, c.17 (N.J.S.A. 48:3-87.10b); BPU Order QO21071023Energy and water benchmarking for large buildings
- Federal · 40 CFR Part 745, Subpart ELead-safe renovation of pre-1978 housing and child-occupied buildings
- New Jersey · P.L. 2024, c.66 (S2188)Legionella water management for buildings
- New Jersey · N.J.A.C. 7:27C (proposed amendments)Tighter carbon allowance cap for power plants (RGGI update)
Coming up
- New Jersey · Registration or filing dueReservation deadline for the RGGI joint hearing
- New Jersey · Hearing or decisionHearing on proposed RGGI carbon cap update
- Federal · Report duePM2.5 designations: states' additional information requested
- Federal · Comments closePM2.5 designations: comments close
- New Jersey · Comments closeComments close on proposed RGGI carbon cap update
- Federal · Hearing or decisionPM2.5 designations: EPA's court-ordered deadline for final designations