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TRUE US database shows emissions characteristics of US fleet

Green Car Congress

To complement its work on real-world emissions in Europe, TRUE has compiled remote sensing data from the states of Colorado and Virginia and the University of Denver to investigate the emissions of US light-duty vehicles. gNO x /kg per year) and light-duty trucks (0.08 Source: The ICCT. gNO x /kg per year).

Fleet 221
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Study finds pollution emitted near equator has biggest impact on global ozone

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Ozone, a greenhouse gas and toxic air pollutant, is not emitted but forms when ultraviolet light hits nitrogen oxides. Jason West (2016) “Tropospheric ozone change from 1980 to 2010 dominated by equatorward redistribution of emissions”. —Owen R. Cooper, co-author. Yuqiang Zhang, Owen R. Cooper, Audrey Gaudel, Anne M.

Ozone 230
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Discovery of mechanism for atmospheric particle formation suggests need for ammonia emission regulations

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An international team of researchers has shed light on one way new particles are forming in the upper troposphere. The presence of ammonia was first discovered in the upper troposphere in 2016 using the analysis of averaged MIPAS (Michelson Interferometer for Passive Atmospheric Sounding) infrared limb-emission spectra.

Emissions 186
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JILA team identifies missing piece in how fossil fuel combustion contributes to air pollution

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JILA a partnership of the National Institute of Standards and Technology (NIST) and the University of Colorado Boulder. JILA’s frequency comb spectroscopy technique analyzes chemicals inside a glass container, in which comb light bounces back and forth between two mirrors. Their paper appears in Science. Bjork, T.Q. Heckl, P.B.

Pollution 150
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Study projects emission impacts of inexpensive, efficient EVs: 36% further reduction in LDV GHG by 2050, or 9% economy-wide

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A new study by researchers at the University of Colorado at Boulder projects the emission impacts of the widespread introduction of inexpensive and efficient electric vehicles into the US light duty vehicle (LDV) sector. The work is reported in a paper in the ACS journal Environmental Science & Technology.

Emissions 150
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Toyota FCV Mirai launches in LA; initial TFCS specs; $57,500 or $499 lease; leaning on Prius analogy

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This includes hot testing in Death Valley, cold testing in Yellowknife, Canada, steep grade hill climbs in San Francisco and high altitude trips in Colorado. The Toyota FC Stack frame is constructed from a newly-developed thermoplastic carbon fiber-reinforced plastic, which is light, strong, and easily mass-produced.

Prius 296