2026 Air Pollution Regulations 
Union of Concerned Scientists
AUGUST 22, 2022
California’s air pollution regulator, the Air Resources Board, is poised to adopt one of the most important steps that the state has ever taken to reduce exposure to air pollution and limit climate changing emissions. Source: California Air Resources Board GHG Emissions Inventory Data.
Union of Concerned Scientists
FEBRUARY 15, 2024
GW of gas capacity will no longer be needed as early as 2026. While there were plenty of gas plant retirements in the first half of the 2010s, there haven’t been many in recent years due primarily to reliability concerns. However, the IRP modeling shows that, as California builds more and more clean resources, roughly 2.7
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Union of Concerned Scientists
DECEMBER 15, 2022
The EPA is getting ready to finalize a critical regulation limiting emissions of smog-forming nitrogen oxide (NO X ) and soot (or particulate matter, PM 2.5 ) from new heavy-duty trucks. State regulations have strict inducements, so the degree to which EPA aligns with such parameters is important. Limits on mal-maintenance/tampering.
Union of Concerned Scientists
MAY 3, 2023
Because of California’s Advanced Clean Cars II regulation adopted last fall , all automakers will have to achieve ZEV sales above 30% by model year 2026 and be on the way to 100% ZEV sales by 2035. It’s vital that this transition happens rapidly, both to reduce the amount of harmful air pollution and to limit damaging climate change.
Greenbuilding Law
AUGUST 20, 2023
As directed by a state law enacted in 2021, as HB 1286, the Colorado Health Department’s Air Pollution Control Division developed the newly finalized standards. As part of its target methodology , the state determined about 40% of the 8,000 buildings covered under the program already meet standards for the 2026 target.
Acoel
OCTOBER 17, 2024
As a result of the stay denial, states will feel crescendoing pressure to develop plans for existing oil and gas facilities by the methane rule’s March 2026 deadline. The mercury rule became effective on July 8, 2024, and implements national emission requirements for coal-fired plants under the CAA’s Hazardous Air Pollutants (“HAP”) program.
Union of Concerned Scientists
DECEMBER 1, 2022
DTE’s Monroe coal plant is the largest single emitter of carbon pollution in Michigan. Converting the Belle River plant: DTE proposes to switch its Belle River plant from coal to fossil gas fuel in 2025 and 2026, saying that the plant would run only in limited amounts following the transition but could be kept in operation until 2040.
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