(Pub. L. 109–58, title VIII, § 816, Aug. 8, 2005, 119 Stat. 855.)
Nothing in this subchapter shall be construed to affect the authority of the Secretary of Transportation that may exist prior to , with respect to—
(1) research into, and regulation of, hydrogen-powered vehicles fuel systems integrity, standards, and safety under subtitle VI of title 49;
(2) regulation of hazardous materials transportation under chapter 51 of title 49;
(3) regulation of pipeline safety under chapter 601 of title 49;
(4) encouragement and promotion of research, development, and deployment activities relating to advanced vehicle technologies under section 5506 1 of title 49;
(5) regulation of motor vehicle safety under chapter 301 of title 49;
(6) automobile fuel economy under chapter 329 of title 49; or
(7) representation of the interests of the United States with respect to the activities and programs under the authority of title 49.