Technician A says that when B20 fuel in a highway truck fuel tank appears greenish in color, it should be discarded. Technician B says that the B15 fuel in a highway truck fuel tank has a strong septic tank odor and that treating it with kerosene may recover it. Who is correct?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B
Answer: D
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