Journal
ATMOSPHERIC ENVIRONMENT
Volume 94, Issue -, Pages 258-263Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.atmosenv.2014.05.018
Keywords
Nitrous oxide; N2O; Emissions; Transport; Climate change
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Direct emissions of N2O from global transportation (land, air, water) are estimated to be 0.142 +/- 0.065 Tg N2O-N yr(-1) in 2010 with the majority (approximate to 55%) of emissions resulting as an unwanted by-product from catalytic emission control systems of light-duty vehicles. Emissions from global transportation accounted for 3 +/- 1% of current estimates of the total anthropogenic emissions. With anticipated improvements in the emission control systems of light-duty vehicles, the emissions of N2O from global transportation are expected to decline to 0.108 +/- 0.065 Tg N2O-N yr(-1) by 2030 despite a substantial increase in global transportation activity. (C) 2014 Elsevier Ltd. All rights reserved.
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