NEGOTIATIONS.

SEC. 3. [49 U.S.C. 40101 note] NEGOTIATIONS. (a) In General.—The Secretary of Transportation, the Administrator of the Federal Aviation Administration, and other appropriate officials of the United States Government— (1) should, as appropriate, use their authority to conduct international negotiations, including using their authority to conduct international negotiations to pursue a worldwide approach to address aircraft emissions, including the environmental impact of aircraft emissions; and (2) shall, as appropriate and except as provided in subsection (b), take other actions under existing authorities that are in the public interest necessary to hold operators of civil aircraft of the United States harmless from the emissions trading scheme referred to under section 2. (b) Exclusion of Payment of Taxes and Penalties.—Actions taken under subsection (a)(2) may not include the obligation or expenditure of any amounts in the Airport and Airway Trust Fund established under section 9905 of the Internal Revenue Code of 1986, or amounts otherwise made available to the Department of Transportation or any other Federal agency pursuant to appropriations Acts, for the payment of any tax or penalty imposed on an operator of civil aircraft of the United States pursuant to the emissions trading scheme referred to under section 2.