It is hereby declared to be in the interest of public welfare that propane gas wholesalers are encouraged to act jointly and in cooperation with the retail marketers in promoting and stimulating through research, education, marketing, and other methods, the increased and efficient distribution, use, and sale of propane gas. It is further the intent and purpose of this article to provide a method and procedure for financing programs for the propane gas industry pursuant to powers conferred upon the Legislature by Amendment ___ to the Constitution of Alabama of 1901.