2024 15 USC 717y – Voluntary conversion of natural gas users to heavy fuel oil

2023 15 USC 717y – Voluntary conversion of natural gas users to heavy fuel oil

2022 15 USC 717y – Voluntary conversion of natural gas users to heavy fuel oil

2021 15 USC 717y – Voluntary conversion of natural gas users to heavy fuel oil

2020 15 USC 717y – Voluntary conversion of natural gas users to heavy fuel oil

2018 15 USC 717y – Voluntary conversion of natural gas users to heavy fuel oil

2017 15 USC 717y – Voluntary conversion of natural gas users to heavy fuel oil

2015 15 USC 717y – Voluntary conversion of natural gas users to heavy fuel oil

2014 15 USC 717y – Voluntary conversion of natural gas users to heavy fuel oil

2013 15 USC 717y – Voluntary conversion of natural gas users to heavy fuel oil

2012 15 USC 717y – Voluntary conversion of natural gas users to heavy fuel oil

2010 15 USC 717y – Voluntary conversion of natural gas users to heavy fuel oil