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Climate Change Threatens Already Poor Air Quality in California’s Central Valley

Union of Concerned Scientists

California’s Central Valley consistently experiences the country’s worst air quality, and climate change is poised to make air quality even worse. In a region known for its exceptional agricultural productivity, climate change is quickly amplifying a dangerous type of climate risk in California’s Central Valley: air pollution.

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State Air Regulations Can Go Above and Beyond National Standards 

Legal Planet

States and local air quality regulators have the legal authority to set particulate matter (PM), ozone, and nitrogen oxides (NOx) emissions standards and adopt regulations for these pollutants when they are already in attainment of the national ambient air quality standards ( NAAQS ) set by the U.S.

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Why the Bay Area’s Zero-Emission Appliance Rule is a Big Deal

Legal Planet

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. Additionally, NOx react with other chemicals in the air to create other harmful pollutants, like fine particulate matter and ozone.

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DEP Posted 74 Pages Of Permit-Related Notices In April 20 PA Bulletin

PA Environment Daily

. -- The Department of Environmental Protection published notice in the April 20 PA Bulletin inviting comments on changes to its technical guidance for the review of wastewater and drinking water projects to be funded by the federal State Revolving Loan/Grant Program. Notice of new technical guidance documents and regulations?

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DEP Posts 75 Pages Of Permit-Related Notices In April 22 PA Bulletin

PA Environment Daily

Notice of new technical guidance documents and regulations? formal notice ) PA Bulletin - April 22, 2023 Note: The Department of Environmental Protection published 75 pages of public notices related to proposed and final permit and approval/ disapproval actions in the April 22 PA Bulletin - pages 2193 to 2268. All through its eNotice system.

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Proposed DEP Regulation Would Require 22% Of Passenger, Light Duty Vehicle Fleet Offered For Sale In PA Be Zero Emission Vehicles Starting In 2025

PA Environment Daily

On October 14, the Department of Environmental Protection presented a proposed regulation that would adopt California’s existing Zero Emission Vehicle Program that requires 22 percent of the new passenger and light duty vehicle fleets offered for sale in the state be zero emission vehicles starting in model year 2025.

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Changes to California’s Electric Truck Proposal Could Reap Huge Climate and Air Quality Gains

Union of Concerned Scientists

This new regulation would apply to delivery vans, big rigs, box trucks, and buses. Regulate more tractor trucks, including the smaller fleets. and NOx emissions reductions from tractor trucks while still only regulating around 13 percent of California tractor fleets.