B60K16/00	Arrangements in connection with power supply of propulsion units in vehicles from forces of nature, e.g. sun or wind (electric propulsion with power supply from forces of nature, e.g. sun or wind, B60L 8/00; wind motors specially adapted for installation on vehicles F03D 9/32)
	Note(s) When classifying in this group, details of sail or rigging arrangements which are suited for marine wind propulsion are also classified in the relevant groups of subclass B63H, e g  in groups B63H 8/00, B63H 9/04 [2020 01]