Each municipality in Alabama which now or hereafter owns a gas plant and system is hereby authorized to transfer and convey all or any part of such plant and system or any rights incident thereto, without the necessity of authorization at an election of the qualified voters of such municipality, to a gas district incorporated as a public corporation under the provisions of this article, whether such municipality is a member of the district or not. Any such transfer or conveyance may be made with or without pecuniary consideration and on any such terms and conditions as the governing body of the municipality owning such plant and system may determine. Any such transfer and conveyance shall be made only upon the adoption by the governing body of the municipality owning such plant and system of an ordinance or resolution authorizing such transfer and conveyance.