§ 125. Motor vehicles. Every vehicle operated or driven upon a public
highway which is propelled by any power other than muscular power,
except (a) electrically-driven mobility assistance devices operated or
driven by a person with a disability, (a-1) electric personal assistive
mobility devices operated outside a city with a population of one
million or more, (b) vehicles which run only upon rails or tracks, (c)
snowmobiles as defined in article forty-seven of this chapter, (d) all
terrain vehicles as defined in article forty-eight-B of this chapter,
(e) bicycles with electric assist as defined in section one hundred
two-c of this article, and (f) electric scooters as defined in section
one hundred fourteen-e of this article. For the purposes of title four
of this chapter, the term motor vehicle shall exclude fire and police
vehicles other than ambulances. For the purposes of titles four and five
of this chapter the term motor vehicles shall exclude farm type tractors
and all terrain type vehicles used exclusively for agricultural
purposes, or for snow plowing, other than for hire, farm equipment,
including self-propelled machines used exclusively in growing,
harvesting or handling farm produce, and self-propelled caterpillar or
crawler-type equipment while being operated on the contract site.