Because new car certification programs can only control emissions from new cars, the federal government required that states with severe air pollution problems initiate programs that inspect individual cars. These programs are called

Question

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The passage mentions that the federal government required states with severe air pollution problems to initiate programs that inspect individual cars to control emissions from older cars. These programs are known as inspection and maintenance (I&M) programs. Therefore, the best choice is B.

Because New Car Certification Programs Can Only Control Emissions from New