energy improvement
(4) Energy improvement The term “energy improvement” means— (A) any improvement, repair, or renovation to a school that results in a direct reduction in school energy costs, including improvements to the envelope, air conditioning system, ventilation system, heating system, domestic hot water heating system, compressed air system, distribution system, lighting system, power system, and controls of a building; (B) any improvement, repair, or renovation to, or installation in, a school that— (i) leads to an improvement in teacher and student health, including indoor air quality; and (ii) achieves energy savings; (C) any improvement, repair, or renovation to a school involving the installation of renewable energy technologies; (D) the installation of alternative fueled vehicle infrastructure on school grounds for— (i) exclusive use of school buses, school fleets, or students; or (ii) the general public; and (E) the purchase or lease of alternative fueled vehicles to be used by a school, including school buses, fleet vehicles, and other operational vehicles.