Hi there! My takeaway from the video is that it is a school bus traveling through a residential neighborhood. The sound of the bus is audible, and very loud! So I made an above comment about the advantages of electric school buses. As the expression "noise is loss" goes, that noise, the loss of energy, can be disruptive to peace and quiet. Big diesel vehicles require a lot of noise/loss to power them. Electric vehicles can reduce this noise/loss.