Chapter 17 – Exhaust and Emission System

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Chapter Overview

This chapter focused on: Exhaust and Emission Purpose; Exhaust Components; Exhaust Emissions; Emission Components; and, Emission Testing.

Exhaust and Emission Sites

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Summary

As technology advances, the internal combustion engine will become more efficient and pollute less. Over time, exhaust system components have been added to lower noise, while emission system components have been added to convert harmful gases into more environmentally friendly by-products. I/M testing helps to keep in-use vehicle emission levels regulated, minimizing pollution released into the environment. Consumers can reduce pollution by upgrading to a more efficient vehicle and by driving less.

Activities and Study Questions

Activities and study questions can be completed in the Auto Upkeep Workbook.

Career Paths

Research careers using the Occupational Outlook Handbook.