Drivers can improve gas mileage or save fuel by using which technique?

Question

a. drive steadily and avoid exceeding posted speed limiteds
b. keep the engine idling during long stops
c. keep tired under-inflated

Answer 1

The correct answer is: a. drive steadily and avoid exceeding posted speed limits.

Driving steadily and adhering to speed limits can help improve gas mileage and save fuel. Keeping the engine idling and under-inflated tires would actually reduce fuel efficiency.