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Why UCS Supporters Are Pressing EPA to Let California Enforce Its Truck Pollution Rules

Union of Concerned Scientists

California’s leadership on reducing truck pollution has been on full display the past few years, passing critical regulations requiring 90 percent reduction in smog-forming nitrogen oxide (NO X ) emissions from diesel trucks and requiring manufacturers sell an increasing share of electric trucks to move away from fossil fuels altogether.

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Delivery Vans are Going Electric: Where and Why

Union of Concerned Scientists

Medium- and heavy-duty vehicles (MHDVs), like the big rigs on our highways and the vans that deliver our packages, make up just over 1 in 10 of the vehicles on our roads, but are responsible for over half of ozone-forming nitrogen oxide pollution and lung-damaging fine particulate pollution from on-road vehicles.

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Air Regulators Tackle Trucking at Southern California Warehouses

Clean Energy Law

At a contentious board hearing on May 7, 2021, the South Coast Air Quality Management District (SCAQMD) approved a first-in-the-nation rule to regulate trucking emissions from warehouses by a 9-4 vote. These state and federal standards require areas to reach certain ambient concentrations of ozone to be considered in “attainment.”

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DEP Posted 92 Pages Of Permit-Related Notices In March 8 PA Bulletin

PA Environment Daily

Notice of new technical guidance documents and regulations? The revised permit would increase the acreage by 1.3 acres in the Unami Creek Watershed (High Quality). ( Received Aug. 18, 2023, Issued Feb. 19, 2025. ( Sign Up For DEPs eNotice: Did you know DEP can send you email notices of permit applications submitted in your community?

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Clean Fleets Rule Slated to Deliver Healthier Air for Californians

Union of Concerned Scientists

Because last week, the California Air Resources Board (CARB) made history by unanimously adopting what is perhaps the most transformative clean trucks regulation ever considered—the Advanced Clean Fleets (ACF) rule. This rule creates the first-ever, economy-wide, zero-emission standard for large truck fleets.

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House Environmental Committee Reports Out Bill To Require DEP To Consider Cumulative Impacts Of Certain New Sources Of Pollution On Already Impacted Communities

PA Environment Daily

Additional facilities can be added by regulations adopted by the Environmental Quality Board. The amendment would cover pollution from major oil and gas infrastructure and pipelines, power plants and many other facilities that emit these air pollutants. See bill language for more details.]

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DEP Posts 47 Pages Of Permit-Related Notices In Feb. 25 PA Bulletin

PA Environment Daily

Notice of new technical guidance documents and regulations? Highlights of the environmental and energy notices in the February 25 PA Bulletin -- -- PA Oil & Gas Industrial Facilities: Permit Notices/Opportunities To Comment - Feb. All through its eNotice system. Click Here to sign up.