Re going faster, exponentially more power is required to do so, and the infrastructure has a limit. >No, we want legroom. The Euroduplex rolling stock, of whi

Re going faster, exponentially more power is required to do so, and the infrastructure has a limit. >No, we want legroom. The Euroduplex rolling stock, of which the Avelia Horizon is the next generation, has better second-class legroom than any highway coach I've been on in my life.