Remove 2009 Remove Exhaust Remove Ozone Remove Parts
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EPA proposes approval of new ozone plans for the two of the worst Air Quality Zones in US: California’s San Joaquin Valley and South Coast

Green Car Congress

US EPA Region 9 8-hour ozone trends, 1979-2000. These State Implementation Plans (SIPs) are the roadmaps to meeting the 1997 8-hour ozone National Ambient Air Quality Standards (NAAQS) of 0.08 parts per million (ppm) by 2024. Source: EPA. Click to enlarge. In 2008, the 8-hour standard was lowered to 0.075 ppm. Earlier post.).

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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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Study Finds Ozone Concentrations at Current Clean Air Standards Levels Can Impair Even Healthy Lungs

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Exposure to ozone at levels currently deemed safe by the NAAQS clean air standards can have a significant and negative effect on lung function, according to researchers at the University of California, Davis. The previous primary and secondary standards were identical 8-hour standards, set at 0.08 Earlier post.).

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Chevron fined $422,500 for 3 instances of non-compliant fuels in California; ethanol, olefin and cetane issues

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Chevron agreed to pay the penalties as part of three separate settlements it reached with the California Air Resources Board (ARB). Chevron paid $25,000 in penalties for supplying and selling more than 36,000 gallons of diesel fuel in August 2009 that did not meet a required minimum cetane number. Chevron USA Inc. In all, 15.9

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National Academies release third review of the 21st Century Truck Partnership

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While early R&D was largely component-based, as a result of US Department of Energy (DOE) American Recovery and Reinvestment Act (ARRA) funds in 2009, 21CTP was able to fund four SuperTruck projects. A second truck has doubled fuel economy from a 2009 baseline of 6.1 In terms of fuel economy, the truck achieved 10.7

MPG 150
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Perspective: US Needs to Transition to Hydrous Ethanol as the Primary Renewable Transportation Fuel

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Designated volatility attainment and designated volatility nonattainment areas and their exact boundaries are described in 40 CFR part 81, or such part as shall later be designated for that purpose. The ethanol content of the gasoline shall be determined by use of one of the testing methodologies specified in appendix F to this part.