Reinstated and extended Public Law 117-169, 136 Stat. 1818 (August 16, 2022), commonly known as the Inflation Reduction Act, retroactively reinstated and extended the following fuel tax credits through December 31, 2024: Alternative fuel credit Alternative fuel mixture credit Second generation biofuel producer credit See Notice 2022-39 PDF for information on how to make retroactive claims for the alternative fuel credit for the first, second, and third quarters of 2022, and the alternative fuel mixture credit for the first and second quarters of 2022. Note: Liquefied hydrogen was removed from the definition of alternative fuel for purposes of the alternative fuel credit and the alternative fuel mixture credit for fuel sold or used after December 31, 2022. Extended The Inflation Reduction Act also extended the following fuel tax credits through December 31, 2024: Biodiesel and renewable diesel credit Biodiesel and renewable diesel mixture credit Note: Renewable diesel no longer includes fuel derived from biomass that meets the requirements of a Department of Defense specification for military jet fuel or an American Society for Testing & Materials specification for aviation turbine fuel. In addition, kerosene is no longer treated as diesel fuel for purposes of the renewable diesel mixture credit. These changes are effective for fuel sold or used after December 31, 2022. Related Topics Excise tax