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May 11, 2013
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Home > Environment > Air Quality > Speed Chart

Air Quality

Speed Charts

Automobile emissions vary according to speed. These charts indicate how NOx emissions are higher at low speeds (<15 mph) and at high speeds (>45 mph); VOC emissions are highest at low speeds (<15 mph) and are lowest at high speeds (>45 mph). It is clear from the two graphs that both VOC and NOx emissions are low in the speed range of 35-40 mph.
Download:
(left-click to view or right-click to download and save)
Mobile Emissions/Speed Chart (Excel file)

 


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