; (ii) in clause (ii) by striking the period at the end and inserting ; and ; and (iii) by adding at the end the following: (iii) a secondary runway at a nonhub airport that is equivalent in size and type to the primary runway of such airport. ; (B) in subparagraph (B)— (i) in clause (iii) by inserting and fuel infrastructure for such equipment to remove snow after surveillance equipment ; (ii) in clause (ix) by striking and at the end; (iii) in clause (x) by striking the period and inserting ; and ; and (iv) by adding at the end the following: (xi) a medium intensity approach lighting system with runway alignment indicator lights. ; (C) in subparagraph (E) by striking after December 31, 1991, ; (D) in subparagraph (K) by striking if the airport is located in an air quality nonattainment or maintenance area (as defined in sections 171(2) and 175A of the Clean Air Act ( 42 U.S.C. 7501(2) ; 7505a)) and if the airport would be able to receive emission credits, as described in section 47139 ; (E) in subparagraph (L) by striking the airport is located in an air quality nonattainment or maintenance area (as defined in sections 171(2) and 175A of the Clean Air Act ( 42 U.S.C. 7501(2) ; 7505a)), if the airport would be able to receive appropriate emission credits (as described in section 47139), and ; (F) in subparagraph (P)— (i) by striking improve the reliability and efficiency of the airport’s power supply and inserting improve reliability and efficiency of the power supply of the airport or meet current and future electrical power demand ; (ii) by inserting , renewable energy generation and storage infrastructure (including necessary substation upgrades to support such infrastructure) after electrical generators ; (iii) by striking supply, and and inserting supply, ; and (iv) by striking the period at the end and inserting , and smart glass (including electrochromic glass).