The authority shall have power to apply for and accept grants from the federal or state government or any local government, or any agency thereof, or from any other public or private entity, to be used for any of the purposes of the authority and to enter into any agreement with the federal or state government or any local government, or any agency thereof, or any other public or private entity, in relation to such grants; provided that such agreement does not conflict with any of the provisions of any trust agreement securing the payment of bonds or certificates of the authority.