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California state legislators are calling on their federal representatives to oppose 13 Congressional Review Act (CRA) resolutions aimed at overturning state emissions standards. The legislators argue that revoking the Advanced Clean Cars I (ACCI) and Small Off-Road Engines (SORE) programs would increase air pollution, jeopardize public health in frontline communities, and risk billions of dollars in federal highway funding by undermining California's ability to meet National Ambient Air Quality Standards (NAAQS). They highlight that the state's air quality is already critical, with six of the ten most ozone-polluted cities in the U.S. located in California.

The report identifies that over 66 million people in the U.S. live near freight facilities and corridors, with those near clusters of 11 or more facilities facing a 32% higher cancer risk from air toxics than the national average. It advocates for Indirect Source Rules (ISRs), which require facilities to mitigate the pollution attracted by their operations, as a tool to address these disparities. The author details best practices for ISR design and proposes various compliance options, including the deployment of zero-emission vehicles, charging infrastructure, and innovative solutions like using wastewater treatment plant methane for port power.

The statement argues that New York State must leverage its own resources and market power to combat transportation pollution as the incoming federal administration may pivot toward fossil fuels. It highlights the importance of the New York City Congestion Pricing Program, the Advanced Clean Trucks (ACT) and Advanced Clean Fleets (ACF) regulations, and the proposed Clean Deliveries Act to reduce emissions from diesel vehicles and warehouses.

Earthjustice and partner organizations urge the EPA to reject California's SIP revisions, claiming they create loopholes for oil and gas polluters. The authors argue that RACT must apply to all wells regardless of production volume or oil gravity, and that the EPA failed to conduct a required environmental justice analysis. They contend that current exemptions for heavy oil and low-production wells disproportionately harm frontline communities and that monitoring and reporting frequencies are insufficient to ensure compliance with the Clean Air Act.

The People’s Collective for Environmental Justice, Communities for Better Environment, East Yard Communities for Environmental Justice, and Sierra Club argue that the South Coast Air Quality Management District (SCAQMD) has violated the Clean Air Act (CAA) by failing to penalize major stationary sources for ozone precursor emissions. The petitioners claim that Rule 317, intended as an alternative fee program for the 1979 one-hour ozone standard, is a "paper exercise" that allows polluters to avoid fees through unrelated credits. Furthermore, they assert that SCAQMD has completely failed to adopt required fee programs for the 1997 and 2008 eight-hour ozone standards. The document emphasizes that these failures disproportionately harm low-income communities and communities of color in the South Coast Air Basin, which is described as having the worst ozone pollution in the United States.

The report investigates the impact of 3,321 warehouses over 100,000 square feet in the South Coast Air Basin, finding that these facilities are disproportionately sited in low-income communities of color. This siting increases exposure to diesel truck emissions, which are linked to asthma, cardiovascular disease, and cancer. The analysis highlights a disparity where the communities most impacted by warehouse pollution are not the primary consumers of the e-commerce goods stored within them. The authors call for the South Coast Air Quality Management District to implement a strong Indirect Source Rule requiring zero-emission technology in these disadvantaged areas.

The report finds that diesel pollution caused an estimated 3,000 premature deaths and $21.5 billion in health costs in California in 2004. While new engine standards will reduce emissions over time, the longevity of existing engines means significant health risks persist. The authors argue that full implementation of California's Diesel Risk Reduction Plan and increased funding for the Carl Moyer Memorial Air Standards Attainment Program could prevent 11,000 premature deaths and save between $48 billion and $70 billion by 2020.

The report finds that diesel pollution caused an estimated 3,000 premature deaths and $21.5 billion in health costs in California in 2004. While new engine standards help, the majority of pollution comes from existing engines, and the state's Diesel Risk Reduction Plan is at risk of failing due to funding gaps and regulatory delays. The Union of Concerned Scientists argues that investing in incentive programs like the Moyer Program provides high returns, reducing public health costs by $9 to $16 for every dollar invested.

The San Joaquin Valley faces severe air quality issues, with Bakersfield and Merced identified as the most ozone-polluted cities in the US in 2003. The region failed to meet federal health standards for fine particulate matter by 2004, with agriculture and heavy transport identified as primary emission sources.