Power-assisted bicycles

Power-assisted bicycles in Australia are 'push bikes' fitted with an a motor not exceeding 200W capacity. This is quite low and people are lobbying to have this raised. The limit in New Zealand is 300W. See http://nzta.govt.nz/vehicle/your/low-powered.html [1] See also http://en.wikipedia.org/wiki/Electric_bike [1] http://nzta.govt.nz/vehicle/your/low-powered.html