2027 Air Pollution Regulations 
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. This is the first time EPA has sought to limit emissions in over two decades, and it is long overdue. EPA has proposed three different early credit programs.
Legal Planet
MARCH 15, 2023
Several cities in California, including Los Angeles and in the Bay Area, have outlawed new gas hookups, but these are the first regulations that would effectively ban the sale of gas appliances. Furnaces and water heaters are even bigger polluters, with major contributions to outdoor air pollution in the Bay Area.
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Union of Concerned Scientists
OCTOBER 13, 2022
This new regulation would apply to delivery vans, big rigs, box trucks, and buses. This new regulation would apply to delivery vans, big rigs, box trucks, and buses. Regulate more tractor trucks, including the smaller fleets. and 33 percent of NOx emissions from all on-road transportation in the state.
Union of Concerned Scientists
JUNE 1, 2022
And as EPA moves forward with its own proposal to finally strengthen truck pollution regulations, industry has been waging an all-out war on those, too. This fight by industry to delay, obstruct, and otherwise thwart stronger regulation has devastating consequences.
Union of Concerned Scientists
OCTOBER 30, 2024
The rationale for this delay is largely based on industry disinformation, with manufacturers choosing to gin up anxiety among truck dealers to wage a war on the regulations by proxy. This path taken by industry is a game of chicken with the regulators, a refusal to comply with the regulations as they stand and a dare to enforce them.
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. These gains include $1.3
Union of Concerned Scientists
MARCH 29, 2024
The Environmental Protection Agency (EPA) just finalized its Phase 3 greenhouse gas regulation as a part of the administration’s plan to decarbonize the transportation sector. The Phase 3 regulation will cut new greenhouse gas emissions from trucks in 2032 by 32 to 62 percent for vocational trucks (e.g.,
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