>>1393386>Greater passenger capacity,False. Without even considering double-deckers, the capacity is the same, only they create a greater traffic disturbance.
>vastly lower rolling resistance Rolling resistance is a meme, like 10% of energy use. An electric bus is almost as efficient.
>longer vehicle lifespansI don't know if this is true or not, nor do I care. They are empirically twice as expensive to operate.
>a much smoother rideFalse. You must be thinking of train types other than trams.