Duke University uses those too.... [They have at least 3 of the white ones, and a few of a slightly slimmer but less robust looking black version]
Ironically (only slightly), I was greeted by an officer riding in on one of those when I reported by brushed scooter stolen (early, crummy, craigslist brushed scooter I fixed up. Back then I took out my LiPo before leaving, so it was nbd $30 lost.)
New to endless-sphere? Notice a lot of signatures recommending Ebike.ca? That's because it's the best place for a quality and manageable, (but still 'real'), first build. Justin is a solid supporter of electric bike development, and a good source of equipment.
My hat off a thousand times to the green people that effectively run this forum. The ES Mods are superb.