Savings clause
Nothing in this subchapter shall be construed to affect the authority of the Secretary of Transportation that may exist prior to
research into, and regulation of, hydrogen-powered vehicles fuel systems integrity, standards, and safety under subtitle VI of title 49;
regulation of hazardous materials transportation under chapter 51 of title 49;
regulation of pipeline safety under chapter 601 of title 49;
encouragement and promotion of research, development, and deployment activities relating to advanced vehicle technologies under section 5506 1
regulation of motor vehicle safety under chapter 301 of title 49;
automobile fuel economy under chapter 329 of title 49; or
representation of the interests of the United States with respect to the activities and programs under the authority of title 49.