A Look at the Exhaust Systems on a Car (4014 words, 7 pages)
Exhaust SystemsThe exhaust system on a car is the most important device to keep our environment clean. Many exhaust emissions from the engine such as water, oxygen, nitrogen, and carbon dioxide, are of little concern. Others, such as hydrocarbons (HC), oxides of nitrogen (NO ), and carbon monoxide (CO), can ...
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