Rumours la why get excited unless its confirmed.Singapore no need 300 plus rigid citybuses la,what u need is low and mid torque and youre king,look at turbodiesel taxis how powerful their acceleration is?2000cc 150hp/320nm and 2400cc natural aspirated car only produce 165hp/228nm...But of course with the turbo require much maintenance le..Seriously all citybuses should capped at 70kmh at least for d sake of hauling full loads or climb slopes