
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.

(left) Car exhaust (top right) Speed vs. MPG (top left) traffic jam on a highway
Credit: Left: JPM, top right: EPA, bottom right: Ibl

Smart car (39 mpg highway).

Catalytic Converter
Credit: SANDIA