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A study by a pair of researchers at Northwestern University found that when fuel prices drove residents of São Paulo, Brazil, to switch from ethanol to gasoline in their flexible-fuel vehicles, local ozone levels dropped 20%. Ozone levels are relatively high in São Paulo, with hourly concentrations above 75 and 125 µg m ?3
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).
The California Energy Commission unanimously adopted the 2013-2014 Investment Plan Update to support the development and use of green vehicles and alternative fuels. 5 million for light-duty plug-in electric vehicle rebates to meet high demand for the Clean Vehicle Rebate Program, administered by the California Air Resources Board. $5
The emissions catalysts produced there will be used by manufacturers of light duty gasoline vehicles and light and heavy duty diesel vehicles to meet more stringent Euro 6/VI emissions regulations. Among the advanced technologies that will be produced at the ?roda
The US Environmental Protection Agency (EPA) announced two new proposed federal emissions standards spanning light-, medium- and heavy-duty vehicles for model year 2027 and beyond. The light-duty vehicle category includes passenger cars and light trucks consistent with previous EPA criteria pollutant and GHG rules.
The plant will start production in the first quarter of 2014. The planned implementation of Euro 6 light duty and Euro VI heavy duty emissions regulations in Europe will drive an increased demand for advanced emissions control systems.
The First Update will be presented to the Board on 22 May 2014 for consideration for approval. Achieving our long-term climate goal and 2032 ozone standards will require a much deeper penetration of ZEVs into the fleet. The Air Resources Board is required to update the Scoping Plan every five years.
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. lower ozone formation potential of the carbonyl compounds present than DF under the identical operating conditions. Jakober, 2008). In addition, there was an 18.0–35.8%
In this study, we present a comprehensive database of emissions from a fleet of GDI- and PFI-equipped light-duty gasoline vehicles tested on a chassis dynamometer over the cold-start unified cycle (UC). We estimate ozone and SOA formation potential. Finally, we analyze the potential climate effects of switching a PFI to a GDI fleet.
Illustration of light-duty vehicle sales share by emission certification level projected to be required to meet. The existing LEV II program regulates emissions from new light-duty vehicles, including include all passenger cars, light trucks, and medium-duty passenger vehicles. proposed NMOG+NO x standards in new LEV III.
is one of the three recipients of the 2014 Haagen-Smit Clean Air Awards , California’s premier award recognizing individuals who have made outstanding contributions to improving air quality. John Wall, Vice President and Chief Technical Officer of diesel engine manufacturer Cummins Inc.,
The transportation sector was responsible for over 7 million tons of NO x emissions in the US in 2014, with 50% of this sector’s NO x attributed to heavy-duty on- and off-road vehicles and equipment. NO x is a precursor for both ground level ozone and secondary PM 2.5 Chart: MECA.
Google Street View cars can be equipped with Aclima’s mobile sensing platform to measure nitrogen dioxide; nitric oxide; ozone; carbon monoxide; carbon dioxide; methane; black carbon; particulate matter; and Volatile Organic Compounds (VOCs).
In order to achieve the 2008 Ozone National Ambient Air Quality Standards set by US EPA, CARB estimates that the South Coast Air Basin alone (including Los Angeles) will need an 80% reduction in NO x emissions by 2031. Truck sales were up in model years 2014 and 2015, the years covered under the first round of truck standards.
Up there, 10 to 50 kilometers above the Earth’s surface, ozone molecules absorb the sun’s ultraviolet light, protecting life far below. Even less is understood about the potential risks to people and the environment—could the particles deplete the ozone layer, for example, or significantly alter the weather? 2014 research paper.
The Haifa region began air quality monitoring some 30 years ago; the metropolitan area now has the densest air quality monitoring network in Israel with 27 continuous monitoring stations that measure criteria pollutants including sulfur oxides, nitrogen oxides, ozone, particulates and more. emissions in the region.
The bill also directs the President to work with the relevant Federal agencies and California to harmonize, to the maximum extent possible, the federal fuel economy standards, any emission standards promulgated by EPA, and the California standards for light-duty vehicles. light duty vehicles—e.g., Appliance Energy Efficiency.
Many of the strategies employed to reduce GHG emissions will also work to meet the national ambient air quality standard for ozone in 2032. However, to achieve the needed transportation GHG reductions and the corresponding 2032 ozone standards, the market uptake of advanced technologies will need to be accelerated.
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