In order to pollute as little as possible, it is advisable to...
A)always maintain the same speed.
B)use public transport as little as possible.
C)keep the speed as steady as possible, avoiding unnecessary acceleration and braking.Correct
By driving at a steady speed, avoiding sudden speed variations caused by unnecessarily pressing the brake and accelerator pedals, we will achieve a considerable reduction in fuel consumption, as well as increased passenger comfort and driving safety.