Clean Air Act Climate Change Nitrogen Oxides 
Union of Concerned Scientists
JULY 3, 2022
is a serious blow to the EPA’s ability to fight climate change—and could have dangerous repercussions beyond this case. The timing of the decision feels especially harsh, as the nation is in the throes of the “ Danger Season ” for hazards such as heat waves, drought, wildfires and hurricanes, all worsened by climate change.
Union of Concerned Scientists
AUGUST 21, 2024
The underlying statute defines “clean” to mean that the facility GHG emissions rate—i.e., The tax credits do not consider other fundamental dimensions of “clean,” such as emissions of health-harming pollution like nitrogen oxides or particulate matter.
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Union of Concerned Scientists
JUNE 3, 2024
By 2050, the climate benefits from compliance with ACF will translate to a reduction of 146,000 tons of nitrogen oxides, nearly 7,000 tons of fine particulate matter, and 327 million metric tons of carbon dioxide. The ACF is estimated to significantly reduce pollution from the statewide commercial truck and bus fleet.
Clean Energy Law
NOVEMBER 25, 2019
One of the most significant air quality challenges in the Basin is reducing emissions of the ozone precursor nitrogen oxides (NO x ) to meet the ozone standard attainment deadlines. According to the 2016 AQMP, mobile sources contributed about 88% of total NO x emissions in the Basin in 2012.
Legal Planet
AUGUST 2, 2023
Still, the fact that this draft rule follows the passage of the Inflation Reduction Act of 2022 (“IRA”) has enabled the EPA to be relatively stringent. The Clean Air Act requires that the EPA’s emission limits be based on the best system of emission reduction adequately demonstrated and accounting for cost , among other things.
Union of Concerned Scientists
MARCH 12, 2024
In 1963, a typical car—which ran on leaded gasoline without pollution control devices— emitted 520 pounds of hydrocarbons, 1,700 pounds of carbon monoxide, and 90 pounds of nitrogen oxide every 10,000 miles traveled. Even so, cars and trucks are still making us sick—and killing us.
Legal Planet
AUGUST 22, 2023
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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