Union of Concerned Scientists

OCTOBER 13, 2022

The Advanced Clean Fleets (ACF) rule has the potential to significantly reduce climate-warming greenhouse gas (GHG) emissions as well as harmful air pollutants like fine particulates (PM2.5) A lower threshold would bring more reductions in air pollution sooner for the communities who need it most.

Electricity 218

Electricity Air Pollution Nitrogen Oxides 2030 218

Union of Concerned Scientists

SEPTEMBER 26, 2022

pollution from vehicles. Beginning in 2027, the ACF would require all new medium- and heavy-duty vehicles purchased by public agencies to be emissions-free, including large work trucks and vans, street sweepers, vacuum trucks, and other similar vehicles. There are more than 1.8 Public Agency Fleets.

Climate Change 255

Climate Change Electricity Nitrogen Oxides Fossil Fuels 255

Union of Concerned Scientists

DECEMBER 15, 2022

I recently wrote a (very wonky) paper about how giving credits to technology deployment in advance of the beginning of the rule in 2027 could pose a serious problem to the long-term effectiveness on the rule at driving the cleanest technology to market, but it’s worth summarizing here. EPA has proposed three different early credit programs.

Regulations 183

Regulations 2027 Nitrogen Oxides Technology 183

PA Environment Daily

OCTOBER 25, 2023

The Advanced Clean Trucks standard modeled in the report would require manufacturers, beginning in 2027, to increase their zero-emission truck sales to between 30-50 percent by 2030 and 40-75 percent by 2035. The report was prepared by ERM and commissioned by NRDC and the Union of Concerned Scientists.

Electricity 81

Electricity Nitrogen Oxides Air Pollution 2027 81

PA Environment Daily

NOVEMBER 21, 2024

XTO) [ExxonMobil] and Hilcorp Energy Company (Hilcorp) , agreed to resolve alleged Clean Air Act and Pennsylvania Air Pollution Control Act violations involving their oil and gas production operations in Pennsylvania. In separate agreements, XTO Energy Inc. Uhlmann for EPA’s Office of Enforcement and Compliance Assurance.

Clean Air Act 116

Clean Air Act Ground-Level Ozone Carbon Dioxide Natural Gas 116

Law Columbia

DECEMBER 9, 2024

The case involves EPAs 2024 Vehicle Standards that set new air pollutant and greenhouse gas (GHG) emissions standards for model year 2027 through 2032 Light- and Medium-Duty Vehicles, which have been challenged by states and industry groups. In 2007, the Supreme Court held in Massachusetts v.

Clean Air Act 59

Clean Air Act 2024 Air Pollution 2027 59

E2 Law Blog

SEPTEMBER 19, 2023

Environmental Protection Agency (EPA) announced its final, revised National Enforcement and Compliance Initiatives (NECIs) for fiscal years 2024-2027, seven months after soliciting public comment on its proposals. See Public Comment on EPA’s National Enforcement and Compliance Initiatives for Fiscal Years 2024–2027 , 88 Fed.

2027 52

2027 Climate Change Clean Air Act Air Pollution 52