Lowering the Temperature of an Automobile Engine or Using a Richer

question 62

Essay

Lowering the temperature of an automobile engine or using a richer fuel mixture reduces the amount of nitrogen oxides in the exhaust.What are the tradeoffs of this approach to reduction of nitrogen oxides?

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Definitions:

Federal Insecticide, Fungicide, and Rodenticide Act

A United States federal law passed in 1947 that provides federal control of pesticide distribution, sale, and use.

Clean Water Act

A U.S. federal law aimed at regulating the discharge of pollutants into the nation's surface waters, including lakes, rivers, streams, and coastal areas.

Federal Government

The national government of a federation, which holds the authority to govern the entire country, distinct from state or local governments within the federation.

State Government

The governing body of a state in a federal system, responsible for local legislation, administration, and execution of state laws.