Law Columbia
JANUARY 22, 2025
EPA , 24 states and industry groups challenged the HDV Rule, which revises the greenhouse gas emission standards for heavy-duty vehicles, model year 2027, and sets new standards to lower greenhouse gas emissions from model years 2028-2032.
Law Columbia
JULY 7, 2025
The OBBB Act then fully eliminates these tax credits for wind and solar projects starting in 2028, subject to any projects with remaining time on their four-year window to be placed in service. Entities can claim the ITC or the PTC if their FEOC-eligible solar or wind project is placed in service before December 31, 2027.
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Legal Planet
JULY 29, 2025
Trump and Zeldin should be careful what they wish for: if the Clean Air Act can’t be used to regulate greenhouse gases, then states may be free to do so on their own without any risk of preemption,” Carlson says. My colleagues Ann Carlson, Mary Nichols, and Cara Horowitz have been talking with media about what this means.
Union of Concerned Scientists
NOVEMBER 25, 2024
The Advanced Clean Cars II rule would require 100% EV sales in California by 2035 and strengthen tailpipe emissions standards, resulting in an estimated 1,200 fewer deaths fro m air pollution by 2040. The rule required a waiver because it’s stronger than the federal Clean Air Act, and 13 states have already approved similar standards.
Legal Planet
MAY 7, 2025
My UCLA Ann Carlson wrote about the chutzpah of Trumps DOJ citing the Clean Air Act to preemptively go after state climate lawsuits like this one. LA Mayor Karen Bass proposed budget will make it impossible for us to deliver on the city’s 2028 games mobility objectives, LADOTs general manager said.
National Law Center
JULY 21, 2025
The noncontiguous state exemption is permitted until December 31, 2028, but per the legislation, may not be renewed beyond that date. Beginning in fiscal year 2028, if a state’s payment error rate is less than 6 percent, then the state will pay 0 percent, and the Federal government will pay 100 percent of the costs of benefits.
Union of Concerned Scientists
JANUARY 18, 2024
That’s because 45V awards credits based on the lifecycle greenhouse gas emissions rate of produced hydrogen, and the statutory text defines that term via explicit reference to a definition set in the Clean Air Act. Weakening or delaying the shift to hourly matching.
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