The implementation of rail passenger excursion projects within the service area develops and promotes, for the public good and general welfare, trade, commerce, tourism, industry, and employment opportunities and promotes the general welfare of the state by creating a climate favorable to the location of new industry, trade, and commerce and the development of existing industry, trade, and commerce within the State of Georgia. Implementation of rail passenger excursion projects within the service area under this article will develop and promote, for the public good and general welfare, trade, commerce, tourism, industry, and employment opportunities and will promote the general welfare of the state. It is therefore in the public interest and is vital to the public welfare of the people of Georgia, and it is declared to be the public purpose of this article to so develop rail passenger excursion projects within the service area. No bonds, notes, or other obligations, except refunding bonds, shall be issued by the authority pursuant to this article unless its membership adopts a resolution finding that the project for which such bonds, notes, or other obligations are to be issued will promote the foregoing objectives.