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EPA finalizes greenhouse gas standards for LDVs MY 2023-2026

Green Car Congress

The Environmental Protection Agency (EPA) is finalizing the federal greenhouse gas (GHG) emissions standards for passenger cars and light trucks for Model Years (MY) 2023 through 2026. EPA is planning to initiate a separate rulemaking to establish multi-pollutant emission standards under the Clean Air Act for MY 2027 and later.

EPA 243
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EPA grants waivers for California’s on-highway heavy-duty vehicle and engine emission standards

Green Car Congress

The US Environmental Protection Agency (EPA) is granting two waivers of preemption regarding four California Air Resource Board (CARB) regulations related to California’s heavy-duty vehicle and engine emission standards. In this instance, CARB requested two waivers for regulations relating to heavy duty vehicles and engines.

EPA 210
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ICL briefing paper estimates that 52% of all small particle pollution from road transport comes from tires and brakes

Green Car Congress

A new briefing paper from Imperial College London estimates that in 2021, 52% of all small particle pollution from road transport came from tires and brakes. Tire wear particles pollute the environment, the air we breathe, the water run-off from roads and has compounding effects on waterways and agriculture.

Pollution 243
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Clean-air plan for San Joaquin Valley first to meet all federal standards for fine particle pollution; $5B in incentive funding required

Green Car Congress

The California Air Resources Board (CARB) has adopted a plan that demonstrates to the US Environmental Protection Agency how the San Joaquin Valley air basin will attain each of four federal standards for fine particulate matter by regulatory deadlines. The newly adopted 2018 Valley PM 2.5 The newly adopted 2018 Valley PM 2.5

Pollution 191
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PM2.5, O3 pollution associated with development of Alzheimer’s disease; new study identifies evolving axonal damage

Green Car Congress

and ozone at or above the current standards have been linked to neuroinflammation and high risk of Alzheimer’s disease (AD). suggesting long-term exposure to PM 2.5 , as well as ozone above the current US EPA standards, are associated with increased risk of Alzheimer’s disease. Exposures to concentrations of PM 2.5 g/m 3 in PM 2.5

Pollution 318
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California ARB developing Clean Miles Standard for ridesharing companies

Green Car Congress

With the enactment of SB 1014 ( earlier post )—the Clean Miles Standard and Incentive Program—the California Air Resources Board (CARB) and the California Public Utilities Commission (CPUC) is to develop and to implement new requirements for transportation network companies (TNCs)—i.e.,

Clean 317
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USC study finds particulate matter in air pollution affects thyroid development in fetuses

Green Car Congress

In a cohort study of a subset of 2050 newborns from the Children’s Health Study in southern California, researchers at the University of Southern California (USC) found that an increase of 2 standard deviations in prenatal exposure to particulate matter in air pollution was associated with higher newborn total thyroxine (TT4) measures.

Pollution 301