2024 42 USC 13342 – Oil substitution through coal liquefaction

2023 42 USC 13342 – Oil substitution through coal liquefaction

2022 42 USC 13342 – Oil substitution through coal liquefaction

2021 42 USC 13342 – Oil substitution through coal liquefaction

2020 42 USC 13342 – Oil substitution through coal liquefaction

2018 42 USC 13342 – Oil substitution through coal liquefaction

2017 42 USC 13342 – Oil substitution through coal liquefaction

2015 42 USC 13342 – Oil substitution through coal liquefaction

2014 42 USC 13342 – Oil substitution through coal liquefaction