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European Transport Research Review

An Open Access Journal

Fig. 1 | European Transport Research Review

Fig. 1

From: Cars and ground-level ozone: how do fuels compare?

Fig. 1

NOx emissions by sector, UK, 1970–2013. Six sectors in percent, left-hand Y axis. NOx total in kilotonnes, right-hand Y axis. Sector definitions are not exactly the same as those in the subsequent table, so figures are somewhat different, but still representative. (Source: NAEI)

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