When dealing with food, people and slowly moving parking spots in park settings, electric drive is the way to go. Quiet, CLEAN, no hassling with fumes, engine noise, fuel/oil spills and dirty hands while handling food.
A front hub motor would work. Lots of battery space on a tricycle.
My bike had a range of 50 miles, so more than enough for an ice cream vendor in a park.
Last edited by 5-7HEAVEN; 04-23-2010 at 03:19 PM.