As used in this chapter, the following terms shall have the meanings indicated:
Any motor vehicle which is found unattended without the current year's registration plates or inspection sticker as required by law, has been continuously parked on any public land or private property for a period of 30 days and is so disabled as to be incapable of being operated under its own power.
Any motor vehicle which is no longer in actual use as a motor vehicle or which is wholly unfit to be operated and as to which any of the following conditions exist:
It has been so damaged by collision, accident or any other means that it is inoperable.
It does not have all of its material parts, including but not limited to four tires and wheels, required headlamps and tail lamps, windshield, radiator, transmission, engine, rear windows and doors.
It is for any reason inoperable.
Any vehicle which is self-propelled as defined by the Motor Vehicle Code of the Commonwealth of Massachusetts.