Union of Concerned Scientists

JANUARY 18, 2024

Foremost among these is a legal memo from EPA regarding Treasury’s interpretation and implementation of “lifecycle greenhouse-gas emissions” in 45V. The proposed regulations require a shift to hourly matching for all hydrogen producers in 2028—including those operating before that date who are allowed to use annual matching in the interim.

Fossil Fuels 236

Fossil Fuels Clean Energy Carbon Emissions 2028 236

Union of Concerned Scientists

MARCH 25, 2024

UCS supports Treasury’s proposed temporal-matching requirement, with a phase-in of hourly matching by 2028 with no exemptions for legacy producers. Hourly matching. These criteria are not only well-reasoned but required by a plain reading of the statutory text.

Clean Energy 241

Clean Energy Waste Greenhouse Clean Air Act 241

Law Columbia

JANUARY 22, 2025

Environmental Protection Agencys (EPA) 2024 greenhouse gas emissions standards for heavy-duty vehicles (the HDV Rule) that went into effect on June 21, 2024. Yesterday, January 21, 2025, the Sabin Center filed an amicus brief on behalf of the National League of Cities (NLC) and the U.S. Conference of Mayors (USCM) in support of the U.S.

Clean Air Act 59

Clean Air Act Air Pollution Greenhouse Climate Change 59

ESA

MAY 6, 2021

will halve its greenhouse gas emissions from 2005 levels. Washington Legislature approves caps on carbon pollution and greenhouse gas emissions, giving big win to Inslee, environmentalists – The Seattle Times. EPA – Proposed Consent Decree, Clean Air Act Citizen Suit. He signed it into law. Indianapolis Star.

2021 75

2021 Conservation Clean Air Act Climate Change 75