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EPA tightens ground-level ozone standard to 70 ppb

Green Car Congress

issued its final rule revising the National Ambient Air Quality Standards (NAAQS) for ground-level ozone to 70 parts per billion (ppb) from 75 ppb to protect public health. Ground-level ozone forms when nitrogen oxides (NO x ) and volatile organic compounds (VOCs) react in the air. The US Environmental Protection Agency (EPA).

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US reaches $1.5B settlement with Daimler AG over emissions cheating in Mercedes-Benz diesels; civil penalty of $875M

Green Car Congress

Under the proposed settlement, lodged with the US District Court for the District of Columbia, Daimler will recall and repair the emissions systems in Mercedes-Benz diesel vehicles sold in the United States between 2009 and 2016 and pay $875 million in civil penalties and roughly $70.3 million in other penalties.

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EPA proposes to include Southern Maine in the Federal Reformulated Gasoline Program

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RFG is currently used in 17 states and the District of Columbia. The purpose of the federal RFG program is to improve air quality in certain areas through the use of gasoline that is reformulated to reduce motor vehicle emissions that lead to the formation of ground-level ozone.

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NY sets 100% ZEV sales goal for new LDVs by 2035, advances Advanced Clean Truck regulation

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A portion of downstate New York State does not meet federal health based national ambient air quality standards (NAAQS) for ozone and has been categorized as a non-attainment area. million registered vehicles.

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PowerTrain to pay $2M penalty for selling nearly 80K engines that failed to meet Clean Air Act standards

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EPA estimates that the PowerTrain engines that were sold to the public caused excess emissions of hydrocarbons and nitrogen oxides, which contribute to the formation of ground-level ozone (smog). Ground level ozone can trigger a variety of health problems, including chest pain, coughing, throat irritation and congestion.

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PowerTrain to pay $2M penalty for selling nearly 80K engines that failed to meet Clean Air Act standards

Green Car Congress

EPA estimates that the PowerTrain engines that were sold to the public caused excess emissions of hydrocarbons and nitrogen oxides, which contribute to the formation of ground-level ozone (smog). Ground level ozone can trigger a variety of health problems, including chest pain, coughing, throat irritation and congestion.

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US NOx Cap and Trade Program Lowers Smog Levels in Eastern United States

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State level ozone emissions in the NBP, from 1990 to 2010 (projected). This market-based cap and trade program was created to cost-effectively reduce NO x emissions during the ozone season. Source: EPA. Click to enlarge.