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EPA proposes tightening primary ozone standards to range of 65-70 ppb; final rule by October 2015

Green Car Congress

Counties where measured ozone is above proposed range of standards, based on 2011-2013 monitoring data. Earlier this year, EPA staff had recommended the further reduction of this primary ozone standard from the current 75 ppb (parts per billion) to a revised level within the range of 70 ppb to 60 ppbā€”and preferably below 70 ppb.

Ozone 273
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EPA tightens ground-level ozone standard to 70 ppb

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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).

Ozone 150
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CARB approves $423M plan to mitigate harm from Volkswagen defeat devices; significant investments in heavy-duty vehicles and equipment sectors

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There is also money to reduce emissions at freight facilities, marine projects and light-duty vehicle charging. As required by the Consent Decree, total costs per vehicle must not exceed 75% for non-government owned vehicles and 100% for government owned vehicles.

Ozone 277
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Reducing Black Carbon Emissions and Ground-Level Ozone Would Provide Immediate Benefit Against Climate Change

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Reducing emissions of black carbon soot and ground-level ozone would quickly make a considerable dent in the climate change problem and would also contribute to public health and protect crop yields, according to an essay in the September/October issue of Foreign Affairs. Besides a danger to breathe, ozone lowers crop yields.

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Reduction in diesel carbonyl emissions using F-T fuel from coal

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Jakober, 2008). In the Tianjin study, they team fueled a four-cylinder light-duty diesel engine fueled with CFT and DF, identifying 13 individual carbonyl compounds in the exhaust. Under the engine operating conditions used, formaldehyde and acetaldehyde were the dominant carbonyl compounds for both test fuels.

Coal 210
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NOAA, partners find about 98% decline in VOCs concentrations in LA Basin over last 50 years despite 3x increase in use of gasoline and diesel

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In Californiaā€™s Los Angeles Basin, levels of volatile organic compounds (VOCs) pollutants have decreased by about 98% since the 1960s, even as area residents now burn approximately three times as much gasoline and diesel fuel. even though the fuel sale in California increased by about a factor of three over the same time period.

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California ARB moves forward with climate and air quality actions

Green Car Congress

CARB approved the State Strategy for the State Implementation Plan ( State SIP Strategy ), which describes CARBā€™s commitment for further reducing vehicle emissions needed to meet federal air quality standards over the next 15 years. The Board also approved the South Coast Air Quality Management Districtā€™s comprehensive air quality plan.

Climate 199