EGEE 101
Energy and the Environment

Vehicles, Sulphur, & NOx

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If you recall, much of the material in the Transportation Lesson dealt with the consequences of our vehicle use. This page provides a quick visual refresher of that material most directly to pollution in the form of acid deposition. If you don't know why it is being shown go back and re-read the lesson.

 Car exhaust= Carbon Dioxide, NOx, Unburned Hydrocarbons and Carbon Monoxide. Speed vs MPG (15 mph - 25 mpg, rises to around 33 mpg from 25 mph - 60 mph and then goes slow decline to 25 mpg after 60 mph.
(left) Car exhaust (top right) Speed vs. MPG (top left) traffic jam on a highway
Credit: Left: JPM, top right: EPA, bottom right: Ibl
Picture of a smart car.
Smart car (39 mpg highway).
 Catalytic converter
Catalytic Converter
Credit: SANDIA