Yes, the old man would never allow anything that threatens his pocket. If you hang around the checkpoint at Woodlands you'll notice that they are more concern with preventing the smuggling of cigarettes than terrorists
My favourite alternative technology motor bike is the Brammo electric motorcycle.
[video=youtube;_huQ0hUW-aQ]http://www.youtube.com/watch?v=_huQ0hUW-aQ&feature=related[/video]
It is something the PAP will never allow into Spore because it threatens the revenue they get from the taxation of oil.