Question

Which option demonstrates when most vehicles lose their efficiency?


as they refuel

during starts and stops

during the testing phase

as they brake

Answer 1

Hey there ..

I think the answer is as they put brake ..

I am not sure .. just check the image also provided above .. ..

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Answer 2

Answer:

During starts and stops

Explanation:

"Many of the energy inefficiencies in vehicles occur during starts and stops."

found it in the text.