2024 49 USC 47140 – Increasing the energy efficiency of airport power sources

2023 49 USC 47140 – Increasing the energy efficiency of airport power sources

2022 49 USC 47140 – Increasing the energy efficiency of airport power sources

2021 49 USC 47140 – Increasing the energy efficiency of airport power sources

2020 49 USC 47140 – Increasing the energy efficiency of airport power sources

2018 49 USC 47140 – Increasing the energy efficiency of airport power sources

2017 49 USC 47140 – Airport ground support equipment emissions retrofit pilot program

2015 49 USC 47140 – Airport ground support equipment emissions retrofit pilot program

2014 49 USC 47140 – Airport ground support equipment emissions retrofit pilot program

2013 49 USC 47140 – Airport ground support equipment emissions retrofit pilot program

2012 49 USC 47140 – Airport ground support equipment emissions retrofit pilot program

2010 49 USC 47140 – Airport ground support equipment emissions retrofit pilot program