All vehicles on the road A. create the same amount of pollution.
B. have On-Board Diagnostic systems.
C. are required to be tested for fuel efficiency.
D. require safety chains when driving.
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All vehicles on the road A. create the same amount of pollution.
B. have On-Board Diagnostic systems.
C. are required to be tested for fuel efficiency.
D. require safety chains when driving.
The correct answer is B. have On-Board Diagnostic systems.
Explanation: Most modern vehicles are equipped with On-Board Diagnostic (OBD) systems that monitor engine performance and emissions. These systems help in identifying issues, ensuring that vehicles adhere to environmental standards. Options A, C, and D are not universally true for all vehicles on the road.