Multiple Choice
Technician A says that SCR systems use DEF which results in toxic levels of ammonia being emitted from the tailpipe. Technician B says that Navistar engines certified for EPA MY 2013 and later use SCR systems. Who is correct??
A) ?Technician A only
B) ?Technician B only
C) ?Both A and B
D) ?Neither A nor B
Correct Answer:
Verified
Correct Answer:
Verified
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