; (3) the balance of research and development activities and funding across the DOE Vehicle Program; (4) the management, coordination, implementation, and activities of the DOE Vehicle Program; (5) whether environmental, safety, security, and other appropriate issues are adequately addressed by the DOE Vehicle Program; and (6) other relevant topics as determined by the Secretary. (c) Reports Not later than two years after the date of the enactment of this Act and not less frequently than once every three years thereafter, the advisory committee shall submit to the Secretary, the Committee on Science, Space, and Technology of the House of Representatives and the Committee on Energy and Natural Resources of the Senate a report on— (1) the findings of the advisory committee’s assessments under subsection (b); and (2) the advisory committee’s recommendations for ways to improve or revise the DOE Vehicle Program. (d) Application of Federal Advisory Committee Act Section 14 of the Federal Advisory Committee Act (5 U.S.C. App.) shall not apply to the advisory committee. 8. Medium- and heavy-duty commercial and transit vehicles program (a) In general The Secretary, in coordination with relevant research and development programs carried out by other relevant Federal agencies and appropriate industry stakeholders, including relevant labor organizations, shall carry out a program of research, development, and demonstration activities on advanced energy technologies for medium- to heavy-duty commercial, vocational, recreational, and transit vehicles, including, to the maximum extent practicable, activities in the areas of— (1) vehicle engines, which may include— (A) engine efficiency, emission controls, and combustion research; (B) energy and space-efficient emissions control systems; (C) engine idle and parasitic energy loss reduction; (D) advanced internal combustion engines; and (E) engine down speeding; (2) electric drive trains, including— (A) durable highly efficient power electronics and electric machinery research