; and (B) the effectiveness of those grants in increasing the proportion that— (i) the number of reusable and refillable beverage containers and covered products used by distributors during each calendar year covered by the report; bears to (ii) overall beverage container and covered product consumption during that calendar year. (g) Authorization of appropriations There is authorized to be appropriated to carry out this section $20,000,000 for the period of fiscal years 2024 through 2028. 12222. Grant program to support water refill stations at airports and train stations (a) Definitions In this section: (1) Program The term program means the competitive grant program established under subsection (b). (2) Secretary The term Secretary means the Secretary of Transportation. (b) Establishment Not later than 1 year after the date of enactment of this subtitle, the Secretary shall establish a competitive grant program under which the Secretary, in consultation with the Administrator, shall provide grants for use in accordance with this section to— (1) publicly owned airports that— (A) host not less than 2,500 passenger boardings each calendar year; and (B) receive scheduled passenger service; and (2) train stations located in metropolitan or suburban areas that provide for the transportation of individuals (other than employees or contractors of the station or individuals riding equipment to observe or monitor railroad operations) by railroad through— (A) intercity passenger service; or (B) commuter or other short-haul passenger service. (c) Use of funds A grant provided under the program may be used for— (1) purchasing and installing stations at which employees, passengers, and other guests may refill reusable beverage containers with drinking water