Abstract
N2O is an important greenhouse gas and accurate emission data are required to assess its impact on global climate. It is well established that automobiles, particularly those equipped with 3-way catalysts, emit N2O. However, the vehicle contribution to the global N2O budget is uncertain. We report results of N2O emission measurements performed in a road tunnel in Germany and using a chassis dynamometer system in the USA. We estimate that the global vehicle fleet emits (0.12±0.06) Tg yr−1 of N2O. From the emission factor (g N2O/g CO2) determined an annual N2O emission of (0.12±0.06) Tg yr−1 of N2O (0.08±0.04 Tg N yr−1) for the global vehicle fleet has been estimated which represents 1–4% of the atmospheric growth rate of this species.
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© 2000 Springer Science+Business Media Dordrecht
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Becker, K.H., Jensen, T., Kurtenbach, R., Lörzer, J.C., Wallington, T.J., Wiesen, P. (2000). Nitrous Oxide (N2O) Emissions from Vehicles. In: van Ham, J., Baede, A.P.M., Meyer, L.A., Ybema, R. (eds) Non-CO2 Greenhouse Gases: Scientific Understanding, Control and Implementation. Springer, Dordrecht. https://doi.org/10.1007/978-94-015-9343-4_29
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DOI: https://doi.org/10.1007/978-94-015-9343-4_29
Publisher Name: Springer, Dordrecht
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