; and (3) may construct heavy duty truck and bus testing facilities. 1424. Nonroad systems pilot program The Secretary shall undertake a pilot program of research, development, demonstration, and commercial applications of technologies to improve total machine or system efficiency for nonroad mobile equipment including agricultural, construction, air, and sea port equipment, and shall seek opportunities to transfer relevant research findings and technologies between the nonroad and on-highway equipment and vehicle sectors. III Administration 1431. Repeal of existing authorities (a) In general Sections 706, 711, 712, and 933 of the Energy Policy Act of 2005 ( 42 U.S.C. 16051 , 16061, 16062, 16233) are repealed. (b) Energy efficiency Section 911 of the Energy Policy Act of 2005 ( 42 U.S.C. 16191 ) is amended— (1) in subsection (a)— (A) in paragraph (1)(A), by striking vehicles, buildings, and inserting buildings ; and (B) in paragraph (2)— (i) by striking subparagraph (A); and (ii) by redesignating subparagraphs (B) through (E) as subparagraphs (A) through (D), respectively; and (2) in subsection (c)— (A) by striking paragraph (3); (B) by redesignating paragraph (4) as paragraph (3)