The State Bond Commission shall have the power, from time to time, to authorize the issuance of bonds of the state in one or more series and in principal amounts not exceeding in the aggregate twenty-three million seven hundred thousand dollars. The proceeds of the sale of said bonds shall be deposited in the Energy Conservation Loan Fund established under section 16a-40a for the purposes of making and guaranteeing loans and deferred loans as provided in section 16a-40b. All provisions of section 3-20, or the exercise of any right or power granted thereby which are not inconsistent with the provisions of sections 16a-40 to 16a-40b, inclusive, and this section are hereby adopted and shall apply to all bonds authorized by the State Bond Commission pursuant to said sections 16a-40 to 16a-40b, inclusive, and this section, and temporary notes in anticipation of the money to be derived from the sale of any such bonds so authorized may be issued in accordance with said section 3-20 and from time to time renewed. Such bonds shall mature at such time or times not exceeding twenty years from their respective dates as may be provided in or pursuant to the resolution or resolutions of the State Bond Commission authorizing such bonds. Said bonds issued pursuant to said sections 16a-40 to 16a-40b, inclusive, and this section shall be general obligations of the state and the full faith and credit of the state of Connecticut are pledged for the payment of the principal of and interest on said bonds as the same become due, and accordingly and as part of the contract of the state with the holders of said bonds, appropriation of all amounts necessary for punctual payment of such principal and interest is hereby made, and the Treasurer shall pay such principal and interest as the same become due.