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A maximum reading of _______ parts per million (PPM) of NOx under loaded driving conditions generally means that the vehicle will pass an enhanced I/M roller test.

A. 2,000
B. 500
C. 100
D. 1,000

User Agentpx
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2 Answers

2 votes
A maximum reading of 1,000 parts per million (PPM) of NOx under loaded driving conditions generally means that the vehicle will pass an enhanced I/M roller test.

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User Aemdy
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2 votes
The correct answer is D. 1,000.
User Guilherme Bernal
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